%A Baeten, J. C. M. %A Klop, J. W. (Jan Willem) %A Centrum voor Wiskunde en Informatica (Amsterdam, Netherlands) %A Universiteit van Amsterdam %A European Strategic Programme of Research and Development in Information Technology %T CONCUR '90 : theories of concurrency: unification and extension : Amsterdam, the Netherlands, August 27-30, 1990 : proceedings %I Springer-Verlag %D 1990 %S Lecture notes in computer science %V 458 %U https://ci.nii.ac.jp/ncid/BA10756798