Bernard P. Zeigler Doohwan Kim Herbert Praehofer DEVS Formalism as a Framework for Advanced Distributed Simulation. 15-21 1997 conf/dsrt/1997 DIS-RT http://doi.ieeecomputersociety.org/10.1109/IDSRTA.1997.568653 db/conf/dsrt/disrt1997.html#ZeiglerKP97