Petri Nets World at the University of Hamburg, Germany
A variety of online resources for the international Petri nets community.
Publications from the DACS Design and Analysis of Communication Systems group at the University of Twente, The Netherlands.
Papers from, and information about, the DACS group, which is headed by Boudewijn R. Haverkort.
ACM SIGSIM Webpage
Home page of the ACM Special Interest Group for Simulation.
Home page of the ACM Special Interest Group for the computer/communication system performance analysis community. Includes information on conferences.