000 00383nam a2200169u 4500
008 080212|||||||||||||||||||||||||||||eng|u
020 _a007011207x
100 1 _aChang, Raymond
245 1 0 _aEssential chemistry
_cRaymond Chang
260 _aU.S.A.
_bMcGraw Hill
_c1996
300 _a719p.
600 0 4 _aQuimica
961 w l _t11
961 w l _t11
999 _c385
_d385