000 00326nam a2200121Ia 4500
008 170101s1968 xx 000 0 und d
082 _a547.59 KAT
100 _aKatritzky A. R.
245 0 _aAdvances in Heterocyclic Chemistry Volume-9
260 _aNew York
_bAcademic Press Inc.
_c1968
300 _a491 p
942 _2ddc
_cB
999 _c171466
_d171466