TY - BOOK AU - Hennig,Marina AU - Brandes,Ulrik AU - Pfeffer,Jurgen TI - Studying social networks: a guide to empirical research SN - 9783593397634 AV - HM131 .S88 2012 PY - 2012/// CY - New York PB - Campus Verlag KW - Social networks KW - Social groups KW - Social interaction ER -