TY  - BOOK
TI  - National centres for library service
U1  - 020.621 NAT- 
PY  - 1975///
CY  - The Hague
PB  - IFLA
KW  - Information services
KW  - Space utilization
KW  - Libraries
KW  - Reference services (Library)
KW  - Library science
ER  -