TY  - BOOK
AU  - Dregne, Harold E.
AU  - Willis, W. O.
ED  - American Society of Agronomy. Madison, Wis.
TI  - Dryland agriculture
T2  - Agronomy
U1  - 631.0915 
PY  - 1983///
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Agricultura
KW  - Regiones áridas
ER  -