00285nam a2200121Ia 4500008004100000100003700041245001700078260002300095300000900118650001200127942000700139999001700146190216s9999||||xx |||||||||||||| ||und||  a"Raisinghania M D, Aggarwal R S" 0aHydrostatics  bS Chand & Coc1981  a250p  aPhysics  cBK  c32920d32920