hal@cornell.UUCP (04/20/84)
There is an earlier reference, which I think is the original paper on the P and V operations. (I'm not absolutely certain this was the first one, but it is pretty early) E. W. Dijkstra, "Co-operating Sequential Processes", in "Programming Languages", F. Genuys, ed., pp. 43-112, 1968. Hal Perkins UUCP: {decvax|vax135|...}!cornell!hal Cornell Computer Science ARPA: hal@cornell BITNET: hal@crnlcs