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  - 1970///, 1972 printing
CY  - Paris
PB  - Unesco
KW  - Library planning
N1  - First ed. published in 1967 under title: Planning library services; Includes bibliographical references
ER  -