Julia Rubin Goetz Botterweck Andreas Pleuss David M. Weiss Second international workshop on product line approaches in software engineering: (PLEASE 2011). 1204-1205 2011 ICSE http://doi.acm.org/10.1145/1985793.1986047 conf/icse/2011 db/conf/icse/icse2011.html#RubinBPW11