TY  - BOOK
AU  - Coupland, Robert T.
TI  - Grassland ecosystems of the world: : analysis of grasslands and their uses
T2  - International Biological Programme
U1  - 633.2 
PY  - 1979///
CY  - London
PB  - Cambridge University
KW  - Pastizales
KW  - Ecología
KW  - Pastos
ER  -