TY - BOOK AU - Choudhuri,S. AU - Chakraabarti,R. AU - Chattopadhyay,P.K. TI - Electrical science SN - 8173192375 U1 - 621.3192077 PY - 1999/// CY - New Delhi PB - Narosa Publishing House KW - Electric networks KW - Programmed instruction ER -