000 00343nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e86500
_aMAIN
041 _aEnglish
082 _a547.59 G959H
100 _aGupta, R R
245 0 _aHeterocyclic Chemistry. 2V
260 _aNew York
_bSpringer
_c1999
300 _av. p.
942 _cBK
999 _c113189
_d113189