000 00342nam a2200145Ia 4500
020 _a85758-3779
082 _b4097
_a500
100 _a"Hall Godfrey"
245 0 _aBack to Basics Science
260 _bNTC Puclisher Book
_aNew Delhi
_c2004
300 _a32
944 _cBK
999 _c380088
_d380088