TY  - BOOK
AU  - Zimmerman L J Ed.
TI  - Economic planning
T2  - "Publications of the Institute of Social Series Maior X,8"
U1  - "X:75, K3/TD3" 
PY  - 1963///
CY  - London
PB  - Mouton UK      
N1  - Appendix: p 142-144
ER  -