SIGPLAN Notices 16(05) May 1981
(1981)
[SIGPLAN]
SIGPLAN Notices
Cook, Michael L.; and Arnold, Mark G. (1981)
Cook, Michael L.; and Arnold, Mark G. "A structured APL preprocessor" pp22-31
Wasserman, A. (1981)
Wasserman, A. "Revised Report on the Programming Language PLAIN",