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040 _aMAIN
041 _aEnglish
082 _a025.4
100 _aKRISHAN, KUMAR
245 0 _aTheory of Classification
_bTheory of Classification, New Delhi : Vikas Publishing House, 1979
_cKUMAR KRISHAN
260 _c1979
_bVikas Publishing House
_aNew Delhi
942 _cBK
999 _c16551
_d16551