@booklet {Hun-POM-1995, title = {Pseudosph{\"a}renarrangements zu {O}rientierten {M}atroiden}, year = {1995}, publisher = {Westf{\"a}lische Wilhelms-Universit{\"a}t}, type = {Diplomarbeit}, address = {M{\"u}nster}, keywords = {qualifikation}, author = {Hund, Ulrich} }