000 00321nam a2200121Ia 4500
001 23422
008 170722s9999 xx 000 0 und d
100 _aMorton, Avery A.
245 _aChemistry of heterocyclic compounds /
260 _c1946.
490 _aInternational chemical series ed by Louis Hammett
942 _cGEN
999 _c59279
_d59279