Zumchak, Eugene M. Microcomputer design and troubleshooting / by Eugene M. Zumchak. - Indianapolis, Ind. : Howard W. Sams, 1982. - 350 p. : ill. ; 22 cm. - The Blacksburg continuing education series . Includes bibliographical references and index. ISBN: 0672218194 LCCN: 81-52159 Subjects--Topical Terms: Microcomputers--Design and construction.