TY  - BOOK
AU  - Hall, A.E., ed.
TI  - Agriculture in semi-arid environments
T2  - Ecological Studies; Analysis and Synthesis; 34
U1  - 631.586(252) L9 
PY  - 1979///
CY  - New York
PB  - Springer Verlag
KW  -  A.E.Hall, G.H.Cannell and H.W.Lawton.
KW  - Cannell, G.H., joint ed.
KW  - Lawton, H.W., joint ed.
KW  - Dry farming,Arid regions-agriculture
ER  -