TY  - BOOK
AU  - National library & information srrvices, x
AU  - Penna,C.V.
TI  - Handbook for planners: x
SN  - x     
U1  - 027.5/NAT 
PY  - 1977///
CY  - Lond
PB  - Butterworths
KW  - Information Science
KW  - Librart Science
ER  -