McPherson, George, 1921- An introduction to electrical machines and transformers / [Book]. George McPherson, Robert D. Laramore. - 2nd ed. - New York : John Wiley & Sons, 1990. - xv, 571p. : ill. ; 26cm. Includes index. Bibliography: p. 547-548. ISBN: 0471635294 LCCN: 89033699 Subjects--Topical Terms: Electric machinery.Electric transformers.