Yu Jia Yuqing Gu Representing and Reasoning on Feature Architecture: A Description Logic Approach. 71-77 2001 FICS http://www.info.uni-karlsruhe.de/~pulvermu/workshops/ecoop2001/proceedings/FICS2001.pdf conf/ecoop/2001fics db/conf/ecoop/fics2001.html#JiaG01