Johnson, Alan. Electronics : a systems approach / Alan Johnson. - London : Hodder & Stoughton, c1990. Includes index. ISBN: 9780340371565 (pbk.) LCCN: 74026397 Subjects--Topical Terms: Electronics.Semiconductors. LC Class. No.: TK7835 / .A49 Dewey Class. No.: 621.38101 / JOH