00282nam a2200121Ia 4500008004100000020001500041082001000056100001800066245004200084250000600126260002000132300000800152240801s9999    xx            000 0 und d  a8121931703  bSED-A  aSEDHA DR. R.S 2aA TEXT BOOK OF ELECTRONIC ENGINEERING  a1  aNEW DELHIc2009  a690