Heffer, D. E. Basic principles and practice of microprocessors / / D.E. Heffer, G.A. King, and D.C. Keith. - 2nd ed. - London ; Baltimore, Md., U.S.A. : : E. Arnold, 1986. - xi, 241 p. : : ill. ; ; 25 cm. Includes index. ISBN: 0713135697 Subjects--Topical Terms: Microprocessors. Dewey Class. No.: 004.16 HEF 1986