Keith Ballurio Betsy Scalzo Lou Rose Risk Reduction in COTS Software Selection with BASIS. 31-43 2002 conf/iccbss/2002 ICCBSS http://link.springer.de/link/service/series/0558/bibs/2255/22550031.htm db/conf/iccbss/iccbss2002.html#BallurioSR02