00322nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245003100101260003600132300000800168650001200176221030s9999    xx            000 0 und d  a8121905990  aEnglish  a105.23bMat  aD. S. Mathur 0aMechanicscby D. S. Mathur  bS. Chand & Co.aNew Delhic2002  a818  aPhysics