Eliciting formal models of software engineering processes. - Dirk Höltje; Nazim H. Madhavji; Tilmann F. W. Bruckhaus; Won-Kook Hong (CASCON, 1994)

Causal Analysis of the Requirements Change Process for a Large System. - Khaled El Emam; Dirk Höltje; Nazim H. Madhavji (ICSM, 1997)