000 00336nam a2200145Ia 4500
020 _a0716632128
082 _b559
_a500.030
100 _a"Chemistry today"
245 0 _aChemistry today
260 _bWorld Book, Inc
_aChicago
_c2011
300 _a126
944 _cR
999 _c667560
_d667560