1. Dijkstra, E. W. The Structure of the THE Multiprogramming System. Comm. ACM, Vol. 11, No. 5. pp. 341–346. (1968)
2. Brinch Hansen, P. Operating Systems Principles, Englewood Cliffs, NJ, Prentice-Hall (1973).
3. Hoare, C. A. R. Monitors: An Operating System Structuring Concept. Comm. ACM, Vol. 17, No. 10. pp. 549–557.(1974)
4. Brinch Hansen, P., Deamy: a Structured Operating System, Information Science Technical Report No. 11. (1974)
5. Brinch Hansen, P. The Programming Language Concurrent Pascal. IEEE Trans. on Software Engineering, SE-1, (2), pp. 190–207.(1975)