000 00308nam a2200133Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aBarker. Al And Knapp. Ka
245 0 _aChemistry Practical Approach
250 _a1st Ed.
260 _bNull
_c1978
300 _a477
650 _aChemistry
942 _cBK
999 _c2328
_d2328