TY  - BOOK
AU  - Walker,B.H
TI  - Management of semi-arid ecosystems
SN  - 0444417591
PY  - 1979///
CY  - Amsterdam
PB  - Elsevier Science
KW  - Land use
KW  - Case studies
KW  - Arid regions
N1  - Includes bibliographies and index
ER  -