000 00340nam a22001337a 4500
003 OSt
008 231107b |||||||| |||| 00| 0 eng d
082 _aP547.5905
_bA23
100 _aKatritzkij, A. R.
245 _aAdvances in heterocyclic chemistry - Vol.27
260 _aNew York
_AAcademic Press
_c1980
300 _a331
942 _2ddc
_cBK
999 _c33551
_d33551