The Bell System Technical Journal vol. 56 no. 3, March 1977.
AT&T BSTJ, pp. 329 - 485 inclusive; diagrams, photographs, references.
AT&T BSTJ, pp. 329 - 485 inclusive; diagrams, photographs, references.
People's Computer Co, December 1978; 47 pages, illustrated paper wraps, stapled binding; double-column text, illlustrations and photographs, advertisements.
People's Computer Company, CA 1977; 64 pages, white paper/newsprint type selfwrap; illustrations, references, advertisements; cover illustration by Jeff Gold.