@book{ Solr-275906647, title = {Social network research: substantive issues and methodological questions}, editor = {Knipscheer, Kees C. and Knipscheer, C. P. M. and Antonucci, Toni C. and Knipscheer, C. P. M. 1940- and Antonucci, Toni C. 1948-}, address = {Amsterdam u.a.}, publisher = {Swets & Zeitlinger}, year = {1990}, note = {Literaturangaben}, url = {http://www.gbv.de/dms/hbz/toc/ht003739110.PDF} }