Classification in theory and practice.

Library Herald Year : 2006, Volume : 44, Issue : 1 First page : ( 3) Last page : ( 4) Print ISSN : 0024-2292. Online ISSN : 0976-2469. Classification in theory and practice.

Satija M P GND University. Amritsar, 143 005, India. satija_mp@yahoo.com