@book{ BA10756798, author = "Baeten, J. C. M. and Klop, J. W. (Jan Willem) and Centrum voor Wiskunde en Informatica (Amsterdam, Netherlands) and Universiteit van Amsterdam and European Strategic Programme of Research and Development in Information Technology", title = "CONCUR '90 : theories of concurrency: unification and extension : Amsterdam, the Netherlands, August 27-30, 1990 : proceedings", publisher = "Springer-Verlag", year = "1990", series = "Lecture notes in computer science", number = "458", URL = "https://ci.nii.ac.jp/ncid/BA10756798" }