APL Quote Quad, 2 issues, volume 10 number 2 December 1979 AND volume 10 number 3 March 1980.
ACM, STAPL/SIGPLAN technical committee, 1979 and 1980; 35 pages and 32 pages, double-column text, adverts.
ACM, STAPL/SIGPLAN technical committee, 1979 and 1980; 35 pages and 32 pages, double-column text, adverts.