@book{ Solr-027425746, title = {Handbuch qualitative Sozialforschung: Grundlagen, Konzepte, Methoden und Anwendungen}, editor = {Flick, Uwe}, address = {München}, publisher = {Psychologie-Verl.-Union}, year = {1991}, note = {Literaturverz. S. [451] - 492}, url = {http://www.gbv.de/dms/hbz/toc/ht003614913.pdf} }