000 00302nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aOtto Theodor Benfey
245 0 _aIntroduction To Organic Reaction Mechanism
260 _bMcgraw -hill
_c1970
300 _a207p
650 _aChemistry
942 _cBK
999 _c2242
_d2242