Theraja, B. L. A text book of electrical technology (Vol-3) - New Delhi, S. Chand & Company, 1962. - 864 p. illus. 23 cm. LCCN: sa 63000468 Subjects--Topical Terms: Electrical engineering. LC Class. No.: TK146 / .T435 1962 Dewey Class. No.: 621.3 / THE