TY  - BOOK
AU  - Ranganathan,S.R.
TI  - Prolegomena to library classification / 
SN  - 8170004691
U1  - 025.4 
PY  - 2006///.
CY  - New Delhi : 
PB  - Ess Ess Publications, 
KW  - Classification
N1  - Includes bibliographical references and index.
ER  -