000 00298nam a2200121Ia 4500
008 221229s9999 xx 000 0 und d
082 _aQD399.A39-1969
100 _aA.R. Katrtizky
245 0 _aAdvances in Heterocycle Chemistry
260 _bElsevier
_aUSA
_c1969
300 _a348
942 _cBK
999 _c158982
_d158982