Johnson-Laird, Andy. The programmer's CP/M handbook / Andy Johnson-Laird. - Berkeley, Calif. : Osborne/McGraw-Hill, c1983. - ix, 501 p. : ill. ; 24 cm. Includes index. ISBN: 0881341037 (pbk.) LCCN: 83015410 Subjects--Topical Terms: CP/M. LC Class. No.: QA76.6 / .J655 1983 Dewey Class. No.: 001.6425 / LAI