Sammet, Jean E. "Self-Study Questions & Answers" p109
(1987)
(1987)
Annals of the History of Computing, Spring 1987
Jean E Sammet
Languages mentioned
COLASL
{1962} Two dimensional mathematical language
Klerer-May System
{1964}
MADCAP
{1960} Two dimensional maths and set language
MIRFAC
{1962} 2dimensional maths compiler