LYTHALL, R.T. THE J & P SWITCHGEAR BOOK : AN OUTLINE OF MODERN SWITCHGEAR PRACTICE FOR THE NON-SPECIALIST USER - 7TH ED. - Estados Unidos JOHN WILEY & SONS 1972 NEW YORK - 800 ISBN: 0470557907 LCCN: 86222 Subjects--Topical Terms: ALTO VOLTAJEINGENIERIA ELECTRICATABLEROS ELECTRICOS Dewey Class. No.: 621.317