000 00297nam a2200121Ia 4500
365 _b2
942 _cBK
654 _a
245 _aGravity
260 _aNew York # Mumbai
_bDoubleday, Doran & Company, INC. # Vakils, Feffer and Simons
_c1968 # 1954
082 _a521.12
300 _bHb
_c18cm
_a158
999 _c399969
_d399969
041 _aeng