TY  - BOOK
AU  - Mayer, Enrique
TI  - Land-use in the Andes: ecology and agriculture in the Mantaro Valley of Pery with special reference to potatoes
U1  - 630.2515 
PY  - 1979///
CY  - Lima, Peru
PB  - Centro International De La Papa
KW  - Agricultural ecology
KW  - Agriculture - Peru
ER  -