10414 F. Bueno/M. Hermenegildo/Ugo Montanari/Francesca Rossi: Partial order and contextual net semantics for atomic and locally atomic CC programs. Internet 1996, 35p. 10439 Ekkart Kindler: A compositional partial order semantics for Petri net components. Internet ca. 1996, 18p. 10442 Ekkart Kindler/Rolf Walter: Arc-typed Petri nets. Internet 1995, 17p. 14316 Aldo Ursini: Petri nets and linear semantics - extended abstracts. Internet ca. 1998, 9p.