TY  - GEN
AU  - Corte,Arturo
ED  - Proceedings of the Unesco symposium: Geo-ecology of the mountainous regions of the tropical Americas
TI  - Frost action and soil sorting processes: Their influence in the surface features of the tropical and sub-tropical High Andes
T2  - Colloquium geographicum, 9
N1  - bibliogr. p. 219-220
ER  -