Tor Erlend Fægri Björn Decker Torgeir Dingsøyr Maria Letizia Jaccheri Patricia Lago Dirk Muthig Hans van Vliet Exploring Communities of Practice for Product Family Engineering. 96-105 2005 conf/wm/2005lncs Wissensmanagement (LNCS Volume) http://dx.doi.org/10.1007/11590019_12 db/conf/wm/wm2005lncs.html#FaegriDDJLMV05