000 00321nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a547.7
_bACH
100 _aAcheson, R A M
245 0 _aIntroduction to the chemistry of heterocyclic compounds
250 _aEd.3
260 _aNew York
_bJohn Wiley
_c1976
942 _cBK
999 _c28082
_d28082