000 00296nam a22001217a 4500
003 OSt
008 240215b |||||||| |||| 00| 0 eng d
082 _aP547.5905
_bA23
245 _aAdvances in heterocyclic chemistry - Vol.26
260 _aNew York
_bA. P
_c1980
300 _a247
942 _2ddc
_cBK
999 _c37190
_d37190