W. Giloi, A. Schramm, and W. Schröder-Preikschat. Programming Environments for Parallel Computing, volume A-11 of IFIP Transactions, page 231-244. North-Holland, (1992)
J. Pries-Heje, S. Lauesen, and B. Schrøder. Diffusion, Transfer and Implementation of Information Technology, volume A-45 of IFIP Transactions, page 133-137. Elsevier, (1993)