000 00266nam a2200109Ia 4500
100 _aCampbell, L.J.and Carlton, R.J.
942 _cBK
245 _aScience : the basic skills
260 _aRoutledge & kegan paul, London
_c1978
082 _a500 Cam/Car
300 _a230
999 _c20616
_d20616