P. G Petersen, O. Andersen, J. H Heilesen, S. Klim, and J. Schmidt. System Sciences, 1989. Vol.II: Software Track, Proceedings of the Twenty-Second Annual Hawaii International Conference on, 2, page 210 --218 vol.2. (January 1989)
P. G Petersen, O. Andersen, J. H Heilesen, S. Klim, and J. Schmidt. System Sciences, 1989. Vol.II: Software Track, Proceedings of the Twenty-Second Annual Hawaii International Conference on, 2, page 210 --218 vol.2. (January 1989)
H. E. Petersen, and R. Turn. AFIPS Spring Joint Computing Conference, volume 30 of AFIPS Conference Proceedings, page 291-300. AFIPS / ACM / Thomson Book Company, Washington D.C., (1967)
H. E. Petersen, and R. Turn. AFIPS Spring Joint Computing Conference, volume 30 of AFIPS Conference Proceedings, page 291-300. AFIPS / ACM / Thomson Book Company, Washington D.C., (1967)