TY  - GEN
AU  - Mensching,Horst
ED  - Pre-congreso symposium C19
TI  - Désertification in a mountain region: the Jebel Marra, Sudan
KW  - Désertification
KW  - Ecosystème
KW  - Soudan
KW  - Jebel Marra
N1  - bibliogr. p. 32
ER  -