00252nam a2200109Ia 4500008004100000041001200041082001100053100001500064245005100079260000600130650000600136221030s9999    xx            000 0 und d  aEnglish  a105.23  aB. R.Gupta 0aElectronics and Instrumentationcby B. R.Gupta  c0  aB