{\rtf\ansi\deff0\deftab

{\fonttbl
}

{\colortbl;
\red0\green0\blue0;
}

{\info
{\author Biblio 7.x}{\operator }{\title Biblio RTF Export}}

\f1\fs24
\paperw0\paperh0
\pgncont\pgndec\pgnstarts1\pgnrestart
Dohrmann, C.  (2016).\'a0\'a0Touch2Learn: Multi-Touch Lernumgebungen explorativ erforschen.  \ul Mediales Lernen ? Beispiele f\'fcr eine inklusive Mediendidaktik. \ul0  95-104.\par \par Dohrmann, C., & Kuzle A.  (2015).\'a0\'a0Winkel in der Sekundarstufe I ? Sch\'fclervorstellungen erforschen.  (Filler, A., & Lambert A., Ed.).\ul Geometrie zwischen Grundbegriffen und Grundvorstellungen. \ul0  29-42.\par \par Dohrmann, C., Kuzle A., Roth J., & Ames J..  (2014).\'a0\'a0Begriffsbildung zum Winkel in der Sek I: Auf der Suche nach Grundvorstellungen.  \ul 48. Jahrestagung der Gesellschaft f\'fcr Didaktik der Mathematik. \ul0  301-304.\par \par Biehler, R., Kuzle A., Dutkowski W., Elschenbroich H-J., & Heintz G.  (2014).\'a0\'a0GeKoDyn: Eine Fortbildungsreihe zur dynamischen und kompetenzorientierten Sicht auf die euklidische Geometrie.  (Roth, J., & Ames J.., Ed.).\ul 48. Jahrestagung der Gesellschaft f\'fcr Didaktik der Mathematik. \ul0  181?184.\par \par Biehler, R., Dutkowski W., Elschenbroich H-J., Heintz G., Hollendung K., & Kuzle A.  (2014).\'a0\'a0Geometrie lehren und lernen ? kompetenzorientiert und dynamisc.  \ul Meidenbrief Mathematik. \ul0  29?30.\par \par Kuzle, A., & Dohrmann C.  (2014).\'a0\'a0Unpacking Children's Angle "Grundvorstellungen?: The Case of Distance ?Grundvorstellung? of 1\'b0 Angle.  (Liljedahl, P., & Sinclare N., Ed.).\ul PME 38. \ul0  \par \par Dohrmann, C., & Kuzle A.  (2013).\'a0\'a0Begriffsbildung im Mathematikunterricht der Sek I zum Thema Winkel.  \ul Tagung des GDM-Arbeitskreises Geometrie 2012. \ul0  \par \par Dohrmann, C., & Kuzle A.  (2013).\'a0\'a0Past-Present-Future: Winkel anschaulich unterrichten!.  \ul 47. Jahrestagung der Gesellschaft f\'fcr Didaktik der Mathematik. \ul0  \par \par Kortenkamp, U., & Dohrmann C.  (2011).\'a0\'a0???''??????????????.  \ul ????. \ul0  \par \par Kortenkamp, U., & Dohrmann C.  (2010).\'a0\'a0User Interface Design for Dynamic Geometry Software.  \ul Proceedings of CADGME 2009. 3,\ul0  59-66.\par \par Kortenkamp, U., Blessing A. M., Dohrmann C., Kreis Y., Libbrecht P., & Mercat C.  (2009).\'a0\'a0Interoperable Interactive Geometry For Europe ? First Technological and Educational Results and Future Challenges of the Intergeo Project.  \ul Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). \ul0  \par \par Kortenkamp, U., Blessing A. M., Dohrmann C., Kreis Y., Libbrecht P., & Mercat C.  (2009).\'a0\'a0Interoperable Interactive Geometry For Europe ? First Technological and Educational Results and Future Challenges of the Intergeo Project.  \ul Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). \ul0  \par \par Ladel, S., & Kortenkamp U.  (2009).\'a0\'a0Realisations of MERS (Multiple Extern Representations) and MELRS (Multiple Equivalent Linked Representations) in Elementary Mathematics Software.  (Durand-Guerrier, V., Soury-Lavergne S., & Arzarello F., Ed.).\ul Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). \ul0  \par \par Kortenkamp, U., & Rolka K.  (2009).\'a0\'a0Using Technology in the Teaching and Learning of Box Plots.  (Durand-Guerrier, V., Soury-Lavergne S., & Arzarello F., Ed.).\ul Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). \ul0  \par \par Kortenkamp, U., Dohrmann C., Kreis Y., & Dording C.  (2009).\'a0\'a0Using the Intergeo Platform for Teaching and Research.  (Bardini, C., Fortin C., Oldknow A., & Vagost D., Ed.).\ul Proceedings of the 9th International Conference on Technology in Mathematics Teaching. \ul0  \par \par Kortenkamp, U., Dohrmann C., Kreis Y., & Dording C.  (2009).\'a0\'a0Using the Intergeo Platform for Teaching and Research.  (Bardini, C., Fortin C., Oldknow A., & Vagost D., Ed.).\ul Proceedings of the 9th International Conference on Technology in Mathematics Teaching. \ul0  \par \par Kortenkamp, U.  (2006).\'a0\'a0Paving the Alexanderplatz Efficiently with a quasi-periodic tiling.  (Duvernoy, S., & Pedemonte O., Ed.).\ul Nexus VI: Architecture and Mathematics. \ul0  57-62.\par \par }<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN"
  "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
<html>

<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="Generator" content="Drupal 7 (http://drupal.org)" />
<link rel="shortcut icon" href="https://cermat.org/sites/default/files/CERMAT-Logo_cindy_3.png" type="image/png" />
    <title>Error | CERMAT</title>
    
    <style type="text/css" media="all">
@import url("https://cermat.org/modules/system/system.base.css?t3nnja");
@import url("https://cermat.org/modules/system/system.menus.css?t3nnja");
@import url("https://cermat.org/modules/system/system.messages.css?t3nnja");
@import url("https://cermat.org/modules/system/system.theme.css?t3nnja");
</style>
<style type="text/css" media="all">
@import url("https://cermat.org/modules/field/theme/field.css?t3nnja");
@import url("https://cermat.org/modules/node/node.css?t3nnja");
@import url("https://cermat.org/modules/search/search.css?t3nnja");
@import url("https://cermat.org/modules/user/user.css?t3nnja");
@import url("https://cermat.org/sites/all/modules/views/css/views.css?t3nnja");
@import url("https://cermat.org/sites/all/themes/icompany/sliders/nivo/themes/bar/bar.css?t3nnja");
@import url("https://cermat.org/sites/all/themes/icompany/sliders/nivo/nivo-slider.css?t3nnja");
</style>
<style type="text/css" media="all">
@import url("https://cermat.org/sites/all/modules/ctools/css/ctools.css?t3nnja");
@import url("https://cermat.org/sites/all/modules/biblio/biblio.css?t3nnja");
</style>
<style type="text/css" media="all">
@import url("https://cermat.org/sites/all/themes/icompany/css/bootstrap.css?t3nnja");
@import url("https://cermat.org/sites/all/themes/icompany/css/superfish.css?t3nnja");
@import url("https://cermat.org/sites/all/themes/icompany/style.css?t3nnja");
@import url("https://cermat.org/sites/all/themes/icompany/customize_icompany.css?t3nnja");
@import url("https://cermat.org/sites/all/themes/icompany/css/colorbox.css?t3nnja");
</style>
    <!-- GOOGLE FONTS CSS --> 
        <link href='http://fonts.googleapis.com/css?family=Lato:100,200,300,400,500,600,700,subset=latin:n,i,b,bi|Lato:100,200,300,400,500,600,700,subset=latin:n,i,b,bi|PT+Sans:100,200,300,400,500,600,700,subset=latin:n,i,b,bi|Lato:100,200,300,400,500,600,700,subset=latin:n,i,b,bi|Lato' rel='stylesheet' type='text/css'/> 
        
    


    <style type="text/css">
    	
	body.icompany, #wap-menu ul.sf-menu li span.tip a, .ei-title h3, #main_slider .slider-body, #main_slider .slider-link, .btn{
		font-family: PT Sans, 'Helvetica Neue', Helvetica, Arial, sans-serif;
		font-weight: normal;
	}
	
	h1, h2, h3, h4, h5, h6, h7, h8, .heading,  .nav-tabs, .pricing-table ul .price, .accordion-heading, .numbered-heading, .heading-list, .uc-price {
		font-family: Lato, 'Helvetica Neue', Helvetica, Arial, sans-serif;
		font-weight: 300;
	}
	
	#wap-menu ul.sf-menu li a, .tinynav{
		font-family: Lato, 'Helvetica Neue', Helvetica, Arial, sans-serif;
		font-weight: 300;
	}

	
	#main_slider, #main_slider h1, #main_slider h2, #main_slider h3, #main_slider p, #main_slider .btn{
		font-family: Lato, 'Helvetica Neue', Helvetica, Arial, sans-serif;
		font-weight: 300;
	}
	
	blockquote, .quote{
		font-family: Lato, Georgia,"Times New Roman",Times,serif;
		font-weight: 300;
	}
	
	    
    /* Body background scheme goes here -----------*/
        body{
    	background: url(/sites/all/themes/icompany/img/bg/stripe_default.png) repeat;
    }
        
    /** custom typo */
   	body{
   		font-size: 13px;
   		
   	}
  	
    .sf-menu a{
    	font-size: 18px
    }
	
	    
    /* Theme color scheme goes here ----------- */
   
    a, a:hover, .color:hover, ul.menu li a:hover , #footer-bar a:hover, #footer-region a, .btn.btn-plain {
   		color: #0F9417 ;
   		text-decoration: none;
    }
    
    
    .color, .dropcap{
   		color: #0F9417 ;
   		text-decoration: none;
    }
    
    #header_left .inner{
    	margin-top: 35px;
    }
    
    .main_menu_container{
    	margin-top: 60px;
    }
    
    
	@media screen and (max-width: 767px){
		 .main_menu_container{
		 	margin-top: 25px;
		 }
	}
   
    .theme-scheme, .btn.btn-theme, .btn-theme:focus, 
    .btn-theme:active,  .btn.btn-theme:hover, 
    .comment .new, .marker,  #title-region .inner,  .dropdown-menu .active > a, 
    .dropdown-menu .active > a:hover, 
    .dropdown-menu li > a:hover,
	.dropdown-menu li > a:focus,
	.dropdown-submenu:hover > a, 
	.jcarousel-next-vertical, .jcarousel-prev-vertical, 
	#highlighted_2, .round-number, .btn.btn-plain, #bottom-region, .btn.node-add-to-cart, 
	.btn.node-add-to-cart:hover, .node-product .product-title   {
		background-color: #0F9417  ;
    }
    
    #bottom-region, .node-product .product-images .field-type-image {
    	border-color: #4baf51 ;
    }
    
    .product-title-border{
    	background: #6fbf74 ;
    }
 
    
    #bottom-region a{
    	color: #9fd4a2    }
 
    .theme-border, .sf-menu li.sfHover ul, #page-wrapper,  th, #forum .table th, .border-color, .banner, #footer-bar 
    {
		border-color: #0F9417 ;
	}
	
	.region-highlighted-2, #bottomShadow{
		border-color: #4baf51	}
	
	#tabs-region .tab-content{
		border-left:2px solid #0F9417;
	}
	
	#tabs-region .tabs-left > .nav-tabs > li.active{
		border-top:1px solid #0e8515;
		border-left:1px solid #0e8515;
		border-bottom:1px solid #0e8515;
	}
	
	#tabs-region .tabs-left > .nav-tabs > li.active > a, #tabs-region .tabs-left > .nav-tabs > li.active > a:hover {		
		border-top:1px solid #8ccc90;
		border-left:1px solid #8ccc90;
		border-bottom:1px solid #8ccc90;
		
		border-right:none;
		background: #0F9417; /* Old browsers */
		/* IE9 SVG, needs conditional override of 'filter' to 'none' */
		background: url(data:image/svg+xml;base64,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);
		background: -moz-linear-gradient(top,  #4baf51 0%, #0F9417 75%); /* FF3.6+ */
		background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#4baf51), color-stop(75%,#0F9417)); /* Chrome,Safari4+ */
		background: -webkit-linear-gradient(top,  #4baf51 0%,#0F9417 75%); /* Chrome10+,Safari5.1+ */
		background: -o-linear-gradient(top,  #4baf51 0%,#0F9417 75%); /* Opera 11.10+ */
		background: -ms-linear-gradient(top,  #4baf51 0%,#0F9417 75%); /* IE10+ */
		background: linear-gradient(to bottom,  #4baf51 0%,#0F9417 75%); /* W3C */
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#000000',GradientType=0 ); /* IE6-8 */

	}
	
	.shadow-transition:hover, .btn-theme:hover,   .btn.node-add-to-cart:hover{
	  -webkit-box-shadow: 0px 0px 9px rgba(15,148,23, 0.8);
	  -moz-box-shadow:    0px 0px 9px rgba(15,148,23, 0.8);
	  box-shadow:         0px 0px 9px rgba(15,148,23, 0.8);
	}

    
    #topBar .dark-bg{
    	background: #;
    }
    
    /*bootstrap line 1194 */
	textarea:focus,
	input[type="text"]:focus,
	input[type="password"]:focus,
	input[type="datetime"]:focus,
	input[type="datetime-local"]:focus,
	input[type="date"]:focus,
	input[type="month"]:focus,
	input[type="time"]:focus,
	input[type="week"]:focus,
	input[type="number"]:focus,
	input[type="email"]:focus,
	input[type="url"]:focus,
	input[type="search"]:focus,
	input[type="tel"]:focus,
	input[type="color"]:focus,
	.uneditable-input:focus {
	  border-color: rgba(15,148,23, 0.8);
	  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(15,148,23, 0.6);
	  -moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(15,148,23, 0.6);
	  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(15,148,23, 0.6);
	}
	
	.bar .foreground, .node-product .product-title{
		background: #0F9417; /* Old browsers */
		/* IE9 SVG, needs conditional override of 'filter' to 'none' */
		background: url(data:image/svg+xml;base64,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);
		background: -moz-linear-gradient(top,  #6fbf74 0%, #0F9417 100%); /* FF3.6+ */
		background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#4baf51), color-stop(100%,#0F9417)); /* Chrome,Safari4+ */
		background: -webkit-linear-gradient(top,  #6fbf74 0%,#0F9417 100%); /* Chrome10+,Safari5.1+ */
		background: -o-linear-gradient(top,  #6fbf74 0%,#0F9417 100%); /* Opera 11.10+ */
		background: -ms-linear-gradient(top,  #6fbf74 0%,#0F9417 100%); /* IE10+ */
		background: linear-gradient(to bottom,  #6fbf74 0%,#0F9417 100%); /* W3C */
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#6fbf74', endColorstr='#0F9417',GradientType=0 ); /* IE6-8 */
	}
	
	#feedback-link:hover{
		background: #0F9417; 
	}
	
	.poll .bar{
		box-shadow: 0 1px 2px rgba(100,100,100,.2) inset;
		background: #eee;
	}
	
	 
	#footer-region a, #footer-region a:visited{
		color:  #54773C;
	}
	
	
	#footer-region .btn-theme, #footer-region .btn-theme:visited{
    	color: #fff;
    }
    

    </style> 
    <script type="text/javascript" src="https://cermat.org/sites/all/modules/jquery_update/replace/jquery/1.12/jquery.min.js?v=1.12.4"></script>
<script type="text/javascript" src="https://cermat.org/misc/jquery-extend-3.4.0.js?v=1.12.4"></script>
<script type="text/javascript" src="https://cermat.org/misc/jquery-html-prefilter-3.5.0-backport.js?v=1.12.4"></script>
<script type="text/javascript" src="https://cermat.org/misc/jquery.once.js?v=1.2"></script>
<script type="text/javascript" src="https://cermat.org/misc/drupal.js?t3nnja"></script>
<script type="text/javascript" src="https://cermat.org/sites/all/modules/jquery_update/js/jquery_browser.js?v=0.0.1"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--

	(function ($) {
	   $(window).load(function() {  $('#slider').nivoSlider({effect: 'random', slices: 15, boxCols: 6, boxRows: 4, pauseTime: 5000, animSpeed: 500,  });});
	})(jQuery);
	
//--><!]]>
</script>
<script type="text/javascript" src="https://cermat.org/sites/all/themes/icompany/js/scripts.js?t3nnja"></script>
<script type="text/javascript" src="https://cermat.org/sites/all/themes/icompany/js/hoverIntent.js?t3nnja"></script>
<script type="text/javascript" src="https://cermat.org/sites/all/themes/icompany/sliders/nivo/jquery.nivo.slider.js?t3nnja"></script>
<script type="text/javascript" src="https://cermat.org/sites/all/themes/icompany/js/superfish.js?t3nnja"></script>
<script type="text/javascript" src="https://cermat.org/sites/all/themes/icompany/js/selectnav.min.js?t3nnja"></script>
<script type="text/javascript" src="https://cermat.org/sites/all/themes/icompany/js/jquery.colorbox-min.js?t3nnja"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery.extend(Drupal.settings, {"basePath":"\/","pathPrefix":"","setHasJsCookie":0,"ajaxPageState":{"theme":"icompany","theme_token":"WaHQhv3bW54ce26fvkaQ0GFHzhPGypkZCu7TQPeR3Ow","css":{"modules\/system\/system.base.css":1,"modules\/system\/system.menus.css":1,"modules\/system\/system.messages.css":1,"modules\/system\/system.theme.css":1,"modules\/field\/theme\/field.css":1,"modules\/node\/node.css":1,"modules\/search\/search.css":1,"modules\/user\/user.css":1,"sites\/all\/modules\/views\/css\/views.css":1,"sites\/all\/themes\/icompany\/sliders\/nivo\/themes\/bar\/bar.css":1,"sites\/all\/themes\/icompany\/sliders\/nivo\/nivo-slider.css":1,"sites\/all\/modules\/ctools\/css\/ctools.css":1,"sites\/all\/modules\/biblio\/biblio.css":1,"sites\/all\/themes\/icompany\/css\/bootstrap.css":1,"sites\/all\/themes\/icompany\/css\/superfish.css":1,"sites\/all\/themes\/icompany\/style.css":1,"sites\/all\/themes\/icompany\/customize_icompany.css":1,"sites\/all\/themes\/icompany\/css\/colorbox.css":1},"js":{"sites\/all\/modules\/jquery_update\/replace\/jquery\/1.12\/jquery.min.js":1,"misc\/jquery-extend-3.4.0.js":1,"misc\/jquery-html-prefilter-3.5.0-backport.js":1,"misc\/jquery.once.js":1,"misc\/drupal.js":1,"sites\/all\/modules\/jquery_update\/js\/jquery_browser.js":1,"0":1,"sites\/all\/themes\/icompany\/js\/scripts.js":1,"sites\/all\/themes\/icompany\/js\/hoverIntent.js":1,"sites\/all\/themes\/icompany\/sliders\/nivo\/jquery.nivo.slider.js":1,"sites\/all\/themes\/icompany\/js\/superfish.js":1,"sites\/all\/themes\/icompany\/js\/selectnav.min.js":1,"sites\/all\/themes\/icompany\/js\/jquery.colorbox-min.js":1}},"jcarousel":{"ajaxPath":"\/jcarousel\/ajax\/views"}});
//--><!]]>
</script>


</head>
<body class="maintenance-page in-maintenance no-sidebars "  >  
  <div id="bodyinner" class="container">
	<div id="structure" class="row">
	   <div style="font-size:18px; margin-top:150px; display:block;" class="  offset1"> 
	   	<img class="pull-left" style="margin-right: 10px;" src="/sites/all/themes/icompany/img/maintenance.png" alt="" />
	   		   		<h2>Error</h2>
	   		The website encountered an unexpected error. Please try again later.	   </div>
	</div>
   </div>          
</body>
</html>       
       
       
       