@article {Kor-TEKS-2006,
	title = {Terme erklimmen. {K}lammergebirge als {S}trukturierungshilfe},
	journal = {mathematik lehren},
	volume = {136},
	number = {5},
	year = {2006},
	pages = {13},
	publisher = {Friedrich Verlag},
	address = {Seelze},
	keywords = {lehrer},
	author = {Kortenkamp, Ulrich}
}
