TY  - BOOK
AU  - Hall, A
AU  - Cannel, G
AU  - Hall, A
AU  - Lawton, h
TI  - Agriculture in Semi-Arid Environments
U1  - HAL 
PY  - 1979///
CY  - NewYork
PB  - Springer-Verlag Berlin Heidelberg
KW  - Agriculture
ER  -