00247nam a2200109Ia 4500008004100000041001200041082001100053100001700064245004400081260000600125650000600131221030s9999    xx            000 0 und d  aEnglish  a105.23  aS. N. Biswas 0aIndustrial Electronicscby S. N. Biswas  c0  aB