@inbook{Sloot1994a, author = {P. M. A. Sloot and A. G. Hoekstra and L. O. Hertzberger}, booktitle = {High Performance Computing and Networking, Volume II Networking and Tools}, pages = {253-259}, title = {A Comparison of the Iserver-Occam, Parix, Express, and PVM Programming Environments on a Parsytec GCel}, year = {1994} }