Kwanwoo Lee Kyo Chul Kang Feature Dependency Analysis for Product Line Component Design. 69-85 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3107&spage=69 2004 conf/icsr/2004 ICSR db/conf/icsr/icsr2004.html#LeeK04