NL Troll - 40 1965 - 1969
Unesco / Advisory Committee on Natural Resources Research
Enth. u.a.: - Notizen, Korresp. betr. Classification et Cartographie de la Végétation, Symposion on Investigations and Resources of the Caribbean Sea and Adjacent Regions <1968, Willemstad, Curaçao>, Veröff. Mexico-Symposion <1966>, Symposium on Geo-ecology of the Mountainous Regions of the Tropical Americas mit Unesco / Natural Resources Research Division, Otto Fränzle, I. Dudeney, Michel Batisse, Gerardo Budowski; Unesco, Ralph A. Krause, A. Matveyev; International Geographical Union, Hans Boesch; Deutsche Unesco-Kommission, Thorsten Kapune; International Union of Geological Sciences, W. P. van Leckwijck; Hans-Erich Haack; Unesco / Standing Committee on Classification and Mapping of Vegetation on a World Basis
Darin: - Unesco / Advisory Committee on Natural Resources Research: Statutes ... (hekt., 2.8.1965); Final report (Dr., 23.-25.9.1965)
- Hans-Erich Haack: Unesco, politischer Richtstrahl ins Morgen (Vortr., hekt., 26.11.1968)
100 Bl.