000 00274nam a2200109Ia 4500
008 210501s9999 xx 000 0 und d
100 _aKumar; Krishan
245 0 _aTheory Of Classification
260 _c1985
_bVikas Publishing House Pvt. Ltd.
300 _a527
942 _cBK
999 _c34683
_d34683