Chris Abts COTS-Based Systems (CBS) Functional Density -- A Heuristic for Better CBS Design. 1-9 2002 conf/iccbss/2002 ICCBSS http://link.springer.de/link/service/series/0558/bibs/2255/22550001.htm db/conf/iccbss/iccbss2002.html#Abts02