Woodruff, Louis Frank Principles of electric power transmission / Louis Frank Woodruff. - 2nd ed. - New York : John Wiley, 1953. - vii, 257 p. : ill. ; 24 cm. Includes index. 392 392 Subjects--Topical Terms: Power linesTransmission of electrical energy Dewey Class. No.: 621.319 / W86h