000 00361n a2200169 a 4500
000 B B
001 005643
005 20220201170938.0
082 _a025,4
_bM89
100 _aKrishan Kumar
245 _aTheory of Classification
250 _a4th
260 _aDelhi
_bVikas
_c1989
300 _axii,560
690 _aLibrary Science
908 _aG
999 _c5641
_d5641