000			00323nam a2200157Ia 4500
082			_a025.42 _bK92.TC
100			_aKrishan Kumar
245			_aTheory of classification _b
260			_aNew Delhi _bVikas _c1979
300			_a510p. Index
500			_a
690			_a
700			_a
964			_a _b _c _d _e _f _g
921			_a255
999			_c255 _d255