000 00303nam a2200133Ia 4500
100 _aKRISHAN KUMAR
020 _a0-7069-6432-2
365 _cRS
365 _d1
942 _cENGBK
245 _aTheory of Classification
260 _bVikas Publication House pvt ltd
_c1992
_aNewDelhi
300 _axii+560
999 _c18596
_d18596