Lin Zucconi Software Process Improvement Paradigms for IT Industry: Why the Bottom-Up Approach Fits Best. 511 1995 conf/apsec/1995 APSEC http://csdl.computer.org/comp/proceedings/apsec/1995/7171/00/71710511.pdf db/conf/apsec/apsec1995.html#Zucconi95a