Robert M. Graham, Michael A. Harrison, Ravi Sethi (Eds.): Conference Record of the Fourth ACM Symposium on Principles of Programming Languages, Los Angeles, California, USA, January 1977. ACM 1977
Bernard Lang: Threshold Evaluation and the Semantics of Call by Value, Assignment and Generic Procedures. 227-237
Patrick Cousot, Radhia Cousot: Abstract Interpretation: A Unified Lattice Model for Static Analysis of Programs by Construction or Approximation of Fixpoints. 238-252
Harry R. Lewis: The Equivalence Problem for Program Schemata with Nonintersecting Loops. 253-266