000			00298nam a2200145Ia 4500
082			_a025.42 _bKUM
100			_aKumar, Krishan
245			_aTheory of classification
250			_a4th
260			_c1999
300			_a560p.
650			_aLibrary science
650			_aApplied Sc.
044			_aIndia
999			_c2052 _d2052