00274nam a2200109Ia 4500008004100000041001200041082001100053100001600064245007200080260000600152650000600158221030s9999    xx            000 0 und d  aEnglish  a105.23  aJ. B. Gupta 0aUtilization of Electric Power and Electric Tractioncby J. B. Gupta  c0  aB