TY  - BOOK
AU  - U.N. Economic Commission for Europe
TI  - Approaches and methods used in long-term social planning and policy making held at Arc-et-Senans from 3 - 10 May
U1  - 301.212 
PY  - 1972///
CY  - [s.l.]
PB  - [s.n.]
ER  -