Hopgood, F. R. A., D. A. Duce, J. R. Gallop & D. C. Sutcliffe, - Introduction to the Graphical Kernel System (G.K.S.): A.P.I.C. Studies in Data Processing No. 19.

NY, Academic Press, 1983. VG. Owner name & spot on fep, owner notations in text.

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Following conditions of sale apply:
Terms of Sale

Call, fax, or e-mail to reserve book(s).
We will hold your title(s) for 7 days upon request.
Books from our inventory are returnable for any reason within 7 days of receipt with prior notice. Those books that we obtain from other dealers as part of a book search may or may not be returnable, depending on the policy of the other dealers.

Books listed are "hardback" unless "paperback" is specified. If books have a dustjacket it will be listed with its condition with the condition of the book itself. If there are questions about the condition of a book, feel free to inquire.

Send check/money order with order (US$ please), or call/fax/e-mail with credit card information. We also take PayPal payments.
Shipping in US via USPS media mail is US$4.00 for the first title, US$1.50 each additional title. Priority USPS US$6.00 first title, US$1.50 additional titles. International shipping individually priced. Maine residents add 5% sales tax, or provide sales tax number.