In: Newsletter No. 20, Special Issue, pages 1-15. Bonn, Germany: Gesellschaft für Informatik (GI), Special Interest Group on Petri Nets and Related System Models, May 1985.
Also in: Petri Net Newsletter No. 23, pages 21-46. Bonn, Germany: Gesellschaft für Informatik (GI), Special Interest Group on Petri Nets and Related System Models, April 1986.
Keywords: notations (and) terminology (on) net theory..