00287nam a2200121Ia 4500008004100000100002400041245003200065260002400097300000800121650001200129942000700141999001700148190216s9999||||xx |||||||||||||| ||und||  aJayanth V. Narlikar 4aThe Lighter Side Of Gravity  bCambridge Uty Press  a217  aPhysics  cBK  c33897d33897