TY  - BOOK
AU  - Hall A E Ed.
AU  -  Cannell G H Ed.
AU  -  Lawton H W Ed.
TI  - Agriculture in semi-arid environments
U1  - J:5, L9 
PY  - 1979///
CY  - New York    
PB  -  Springer-Verlag        
KW  -  Plant production
KW  - Agriculture
ER  -