cam a22 u 4500 128609303 CHVBK 20200921064923.0 880212s1981 xxu | 10 |eng|d (OCoLC)636112149 (NEBIS)000266429 ETH-BIB ger ETH-BIB ETHICS-ISBD International symposium on tropical forests utilization and conservation : ecological, sociopolitical and economic problems and potentials : proceedings; New Haven - Conn., April 15-16, 1980 ed.: François Mergen SYMPOSIUM on TROPICAL FORESTS TROPICAL FORESTS New Haven - Conn. Yale University; School of forestry and environmental studies 1981 VII, 199 p. 23 cm tab. FORSTSCHUTZ (FORSTWIRTSCHAFT) ger (ETHUDK)000051597 ethudk FORSTWIRTSCHAFT IN DEN TROPEN UND SUBTROPEN ger (ETHUDK)000049547 ethudk Konferenzschrift New Haven (CT) 1980/04 gnd-content u FORSTSCHUTZ (FORSTWIRTSCHAFT) ger 630,41 nebis E1 u FORSTWIRTSCHAFT IN DEN TROPEN UND SUBTROPEN ger 630(213) nebis E1 u PROTECTION DES FORÊTS (SCIENCES FORESTIÈRES) fre 630,41 nebis E1 u FOREST PROTECTION + FOREST CONTROL (FORESTRY) eng 630,41 nebis E1 u FORESTERIE TROPICALE ET SUBTROPICALE fre 630(213) nebis E1 u FORESTRY IN THE TROPICS AND SUBTROPICS eng 630(213) nebis E1 Mergen François International Symposium on Tropical Forests Utilization and Conservation (1980 New Haven, Conn.) (DE-588)5281770-2 BK020800 XK020000 XK020000 New Haven (CT) Kongress = Congrès 1980/04 NEBIS E10 E10 E10BI 97307 NEBIS E16 E16 RH 6 CONV 570 NEBIS 700 1- Mergen François NEBIS 711 2- International Symposium on Tropical Forests Utilization and Conservation (1980 New Haven, Conn) (DE-588)5281770-2 SWISSBIB 107376733