Computer Music Journal volume 3 number 4 December 1979 (issue 12).
People's Computer Company, Menlo Park CA 1979; 62 pages, double-column text, illlustrations, references, photographs, advertisements etc.
People's Computer Company, Menlo Park CA 1979; 62 pages, double-column text, illlustrations, references, photographs, advertisements etc.
IBM Armonk NY 2000; pp 415 - 941 inclusive; photographs, diagrams, References at ends of papers; double-column text.
MIT Press, Cambridge MA 1989; 725 pages, Index, double-column text, illustrations and photographs, References.