00281nam a2200109Ia 4500008004100000082001700041100001900058245002900077260002700106630001800133650002000151211122s9999||||xx |||||||||||||| ||und||  a25.42bKUM-T  aKumar, Krishan 0aTheory of Classification  bVikasaNew Delhic1997  xGeneral Stack  aLibrary Science