J. H. Wegstein

Recursive functions of symbolic expressions and their computation by machine, Part I

John McCarthy, Peter Naur, Klaus Samelson, 1959, Commun. ACM.

Modified Report on the Algorithmic Language ALGOL 60

Friedrich L. Bauer, I. D. Hill, Bernard Vauquois, 1976 .

Appendix: Report on the algorithmic language ALGOL 60

Friedrich L. Bauer, John McCarthy, Peter Naur, 1961 .

Matching Fingerprints by Computer

J. H. Wegstein, 2017 .