Stochastic Petri nets: An elementary introduction --; Improving the efficiency of the analysis of DSPN models --; Synchronized elementary net systems --; Descriptive and analytical process algebras --; P/T-systems as abstractions of C/E-systems --; The semantics of capacities in P/T nets --; Petri net tool overview 1989 --; Equivalence transformations of PrT-Nets --; A reduction theory for coloured nets --; Optimizing microprograms for recurrent loops on pipelined architectures using timed Petri nets --; S-CORT®: A method for the development of electronic payment systems --; Timed Petri nets and application to multi-stage production systems --; Petri net systems and their closure properties --; Occam and the transputer --; About the concurrent behaviour of EN systems: Definability and closure results --; Petri nets and flexible manufacturing --; Some properties of timed nets under the earliest firing rule --; A comparative study of different techniques for semi-flows computation in place/transition nets --; Elementary net systems and dynamic logic --; Representation of a swapping class by one net --; Design methods based on nets --; CEDISYS compositional distributed systems state of the art, research goals, references.