Saake, G., P. Hartel, R. Jungclaus, R. Wieringa, and R. Feenstra,
"Inheritance Conditions for Object Life Cycle Diagrams",
Workshop Formale Grundlagen für den Entwurf von Informationssystemen, Tutzing: Technical Report Univ1 Hannover, No1 03/94, pp. 79-89, 1994.
Abstract