Foster, Caxton C., 1929- Cryptanalysis for microcomputers / Caxton C. Foster. - Rochelle Park, N.J. : Hayden Book Co., c1982. - 333 p. : ill. ; 23 cm. ISBN: 0810451743 Subjects--Topical Terms: CryptographyCiphersMicrocomputers. Dewey Class. No.: 652.80285404 / FOS