TY  - BOOK
AU  - Sahai,S N  .
TI  - Academic library system / 
SN  - 8170232023
U1  - 027.7 
PY  - 1990///
CY  - New Delhi : 
PB  - Allied Publishers , 
KW  - LIBRARY SCIENCE
N1  - Includes name index,subject index
ER  -