TY  - BOOK
AU  - Penna,Carlos Victor
AU  - Sewell,Philip Hooper
AU  - Liebaers,Herman
TI  - The planning of library and documentation services
T2  - Unesco manuals for libraries ; 17
U1  - 021 
PY  - 1974///
CY  - Paris
PB  - Unesco
KW  - Library planning
N1  - First ed. published in 1967 under title: Planning library services; "COM.70/IV.17b/A."
ER  -