Mikko Raatikainen Timo Soininen Tomi Männistö Antti Mattila Characterizing configurable software product families and their derivation. 41-60 2005 10 Software Process: Improvement and Practice 1 http://dx.doi.org/10.1002/spip.211 db/journals/sopr/sopr10.html#RaatikainenSMM05