000 00251nam a2200121Ia 4500
100 _aKhanna/M.D
942 _cBK
654 _aHydrostatics
245 _aHydrostatics
260 _bJai prakash nath
_aMeerut
_c1970
300 _a272
546 _aENGLISH
999 _c22961
_d22961