000 00314nam a2200121Ia 4500
100 _aCull, R.G. and Drake, W.A.
020 _a0-85226-529-8
942 _cBK
245 _aConcepts of sciencel 2 .-0-85226-529-8
260 _aWiley eastern limited, New Delhi
_c1970
082 _a501 Cul/Dra vol 2
300 _av, 266
999 _c67510
_d67510