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008 960221s1955 dcuabcdjdbkoqu001 0deng d
020 _a
040 _aMA
041 _aEnglish
082 _a547.59
_bB
100 _aBansal, Raj K
_eAu
245 _aHectro Cyclic Chemistry
_b
250 _a
260 _c1990
_a
_bWiley Eastern
300 _a395
650 _aHeterocyclic Chemistry
490 _v
942 _cBK
999 _c40893
_d40893