00249nam a2200109Ia 4500008004100000082001500041100001400056245001400070250001100084260003600095300000800131240913s9999||||xx |||||||||||||| ||und||  a530  MAT/M  aDS Mathur 0aMechanics  a2nd ed  bS Chand and CoaNew Delhic2011  a817