00251nam a2200109Ia 4500008004100000041001200041082001100053100001500064245005000079260000600129650000600135221030s9999    xx            000 0 und d  aEnglish  a105.23  aP.p. Gupta 0aEngineeing Mathematics Vol. IIcby P.p. Gupta  c0  aB