Shadia Elgazzar Anatol W. Kark Erik Putrycz Mark R. Vigder COTS Acquisition: Getting a Good Contract. 43-53 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3412&spage=43 2005 conf/iccbss/2005 ICCBSS db/conf/iccbss/iccbss2005.html#ElgazzarKPV05