00283nam a2200121Ia 4500008004100000041001200041082001100053100001700064245005400081260000600135650000600141700001400147221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. K. Bansal 0aEngineering Mechanicscby R. K. Bansal, S. Bansal  c0  aB  aS. Bansal