TY  - BOOK
AU  - Arnon,Itzhak
TI  - Crop production in dry regions
U1  - 631 
PY  - 1972///-
CY  - London
PB  - Leonard Hill
KW  - Arid regions agriculture
N1  - Contents: v. 1. Background and principles. V.2. Systematic treatment of the principal crops
ER  -