00298nam a2200121Ia 4500008004100000041001200041082001600053100001600069245003800085260003700123300000800160650000800168221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aJ. B. Gupta 0aBasic Electronicscby J. B. Gupta  bS.K. Kataria & SonsaDelhic1997  a140  aECE