1. Apt, K.R., Francez, N., DeRoever, W.P. A Proof System for Communicating Sequential Processes, TOPLAS 2, 3 (1980) 359–385.
2. de Bakker, J.W., Bergstra, J.A., Klop, J.W., Meyer, J.J.C. Linear Time and Branching Time Semantics for Recursion with Merge, 10th ICALP, LNCS 154 (1983) 39–51.
3. Brookes, S.D., Hoare, C.A.R., Roscoe, A.W. A Theory of Communicating Sequential Processes, JACM 31 (1984) 560–569.
4. Barringer, H., Kuiper, R., Pnueli, A. Now You May Compose Temporal Logic Specifications, 16th ACM Symposium on Theory of Computing (1984) 51–63.
5. Barringer, H., Kuiper, R., Pnueli, A. A Compositional Temporal Approach to a CSP-like Language, Proc. of IFIP Conference, the Role of Abstract Models in Information Processing, Vienna (1985).