found: His Software requirements, 1990:CIP t.p. (Alan M. Davis; BTG, Inc.)
found: Tel. call to pub., 7/17/89(Alan Michael Davis: b. 1/6/49)
found: CIP change request from Dorset House Publ., April 6, 2005(correction of name from Alan Michael Davis to: Alan Mark Davis; author of Just enough requirements management, 2005)
found: LC database, Apr 6, 2005:(hdg.: Davis, Alan Mark; usage: Alan Mark Davis; Alan M. Davis)
found: Google search, April 6, 2005(Alan M. Davis; Al Davis is professor of information systems in the College of Business at the University of Colorado at Colorado Springs; author of: Software Requirements, 1990; Software Requirements, 1993; 201 Principles of Software Development, 1995; Great Software Debates, 2004; Just Enough Requirements Management, 2004; and An Interactive Analysis System for Execution-Time Errors, 1975)
found: Phone call to author, April 6, 2005(Alan Mark Davis; b. 1/6/49)