Pretty good assurance. - Jeffrey R. Williams; Marv Schaefer; Douglas J. Landoll (NSPW, 1995)

An enterprise assurance framework. - Douglas J. Landoll; Jeffrey R. Williams (WETICE, 1996)

Assurance - What is it? - Marshall D. Abrams; Douglas J. Landoll; Gary Stoneburner (IICIS, 1998)