TY  - GEN
AU  - Jantsch
TI  - Perspectives of Planning: Proceedings of the OECD Working Symposium on Long-Range Forecasting and Planning
U1  - 338.9054/JAN 
PY  - 1969///
CY  - Paris
PB  - Organisation for Economic Co-operation and Development
N2  - OECD
ER  -