Issue No. 04 - October-December (1984 vol. 1)
T.G. Lewis , Oregon State University
Although they want to know whether their concurrent programs are working properly, programmers may not need a rigorous proof of correctness.
K.R. Spitz, P.E. McKenney, T.G. Lewis, "An Interleave Principle for Demonstrating concurrent Programs", IEEE Software, vol. 1, no. , pp. 54-64, October-December 1984, doi:10.1109/MS.1984.229462