Oppenheimer, Samuel L. Direct and alternating currents / Samuel L. Oppenheimer, F. Roger Hess, Jean Paul Borchers - 2nd ed. - New York : McGraw-Hill, 1973 - 580 p. : ill. ; 24 cm. ISBN: 0070476659 LCCN: 73-39882 Subjects--Topical Terms: Electric circuitsElectric currents