00306nam a2200121Ia 4500008004100000041001200041082001100053100001600064245007600080260000600156650000600162700001600168221030s9999    xx            000 0 und d  aEnglish  a105.23  aA. K. Gupta 0aPower Electronics & Introduction to Drivescby A. K. Gupta, L. P. Singh  c0  aB  aL. P. Singh