Skrotzki, Bernhardt G A. Electric system operation / Bernhardt G A Skrotzki. - 1st ed. - New York : McGraw-Hill, c 1954. - ix, 370 p. : ill. ; 22 cm. - Electric utility library . Includes index. 323 323 Subjects--Topical Terms: Electric power production. Electric power distribution. Dewey Class. No.: 621.31 / S65e