000 00297nam a2200121Ia 4500
100 _aCull, R. G. & Drake, W. A.
020 _a0-85226-525-5
942 _cBK
245 _aConcepts of science vol I
260 _aWiley Eastern Limited, New Delhi
_c1969
082 _a501 Cul/Dra
300 _aviii,287
999 _c67477
_d67477