00326nam a2200133Ia 4500008004100000041001200041082001100053100001600064245005500080250000800135260003400143300000800177650000700185221030s9999    xx            000 0 und d  aEnglish  a105.23  aS. P. Smith 0aProblems in Electrical Engineeringcby S. P. Smith  a5th  bConstable & Co.aLondonc1950  a378  aEE