TY  - GEN
ED  - Institute for Scientific Co-operation
ED  - Federal Institute for Geosciences and Natural Resources
TI  - NATURAL RESOURCES AND DEVELOPMENT
PY  - 1900///]
CY  - Allemagne, Tübingen
PB  - Federal Institute for Geosciences and Natural Resources
KW  - Ressources naturelles
KW  - Développement
KW  - Sciences naturelles
ER  -