Understanding electricity and electronics circuits / written by Training & Retraining, Inc. ; revised by David L. Heiserman - 1st ed. - Indianapolis, IN, USA H.W. Sams & Co. 1987. - v, 322p. ill. (some col.) 23 cm. - Sams understanding series . Includes index. ISBN: 0672270625 RM53.07 Subjects--Topical Terms: Electrical engineering--Programmed instruction.Electronics--Programmed instruction.