TY  - BOOK
AU  - Arnon,I.
TI  - Crop production in dry regions. 
T2  - Plant science monographs
SN  - 0-249-44086-5
PY  - 1972///
CY  - London
PB  - L. Hill
KW  - Cultivos
KW  - Zona árida
N1  - La Biblioteca posee vol. 2: Systematic treatment of the principal crops.
ER  -