TY  - BOOK
AU  - Gakhar,Attam Prakash
TI  - Librarian's guide to Broad system of ordering (BSO)
U1  - 025.43 
PY  - 1982///
CY  - New Delhi
PB  - Metropolitan Books
KW  - Classification, Broad system of ordering classification
N1  - Includes index
ER  -