1. Eike Best, Raymond Devillers, Elisabeth Pelz, Arend Rensink, Manuel Silva and Enrique Teruel: Causal Calculi Based on Nets (CALIBAN). In this volume.
2. Eike Best and Richard P. Hopkins: B(PN)2 – a Basic Petri Net Programming Notation. In Proceedings of PARLE’93, Volume 694 of LNCS, pages 379-390. Springer Verlag, 1993
3. Eike Best, Raymond Devillers and Jon Hall: The Box Calculus: a New Causal Algebra with Multi-label Communication. In Advances in Petri Nets 1992, Volume 609 of LNCS, pages 21–69. Springer Verlag, 1992.
4. Eike Best and Hans Fleischhack: PEP - Programming Environment Based on Petri Nets (project supported by the Deutsche Forschungsgemeinschaft, 1993–1994).
5. Eike Best, Hans Fleischhack, Wojciech Frączak, Richard P. Hopkins, Hanna Klaudel and Elisabeth Pelz: A Class of Composable High Level Petri Nets, to appear in Proc. of 16th ICPN, Torino, LNCS, Springer Verlag, June 1995.