000 00279nam a22001097a 4500
008 240522b xxu||||| |||| 00| 0 eng d
082 _a547 Chemistry 4804
100 _aWard C. Sumpter
_944783
245 _aThe Chemistry of Heterocyclic Compounds
260 _c1954
942 _cOB
999 _c19085
_d19084