00252nam a2200109Ia 4500008004100000041001200041082001100053100001600064245005000080260000600130650000600136221030s9999    xx            000 0 und d  aEnglish  a105.23  aP. P. Gupta 0aEngineering Mathematics Vo. Icby P. P. Gupta  c0  aB