Joachim M. Blum, Thomas M. Warschko, Walter F. Tichy. ParaStation User Level Communication. In Gene Cooperman, Eike Jessen, Gerhard O. Michler, editors, Workshop on Wide Area Networks and High Performance Computing, September 1-5, 1998, Essen, Germany. Volume 249 of Lecture Notes in Control and Information Sciences, pages 89-108, Springer, 1998.