00281nam a2200121Ia 4500008004100000100002600041245002500067260002300092300000800115650001200123942000700135999001700142190216s9999||||xx |||||||||||||| ||und||  aGupta Sk And Malhotra 0aElementary Mechanics  bS Chand & Coc1983  a271  aPhysics  cBK  c32985d32985