TY  - BOOK
AU  - WALKER, B. H.
TI  - Management of semi-arid ecosystems. Vol.7
T2  - Developments in agricultural and Managed- Forest Ecology
SN  - 0-444-41759-1
PY  - 1979///
CY  - Amsterdam
PB  - Elsevier Scientific Publishing Company
KW  - ECOSISTEMAS SEMIARIDOS
ER  -