00298nam a2200109Ia 4500008004100000041000800041082002300049100001200072245004700084260004900131300000800180211209s1979    xx            000 0 und d  aeng  a621.31 N76 BUB/SCH  aBUBAN P  aUNDERSTANDING ELECTRICITY AND ELECTRONICS   aNEW DELHIbTMH PUBLISHING COMPANY LTD.c1979  a480