J.R.Barr. & D.J.Bolton. Principles Of Direct-Current Elec.Engineering. - 1st Ed. - Singhul pub. India. 1959 - 486p. 24 cm. Text in English Subjects--Facted Index Terms: ELEC Index Terms--Genre/Form: D-10 Dewey Class. No.: 24D-387 / J.R