TY  - BOOK
ED  - Joint United Nations Programme on HIV/AIDS.
ED  - United Nations Office for Drug Control and Crime Prevention.
TI  - Agricultural service bulletin: no. 4 
U1  - 630 
PY  - 1969///
CY  - Rome
PB  - United Nations
KW  - Irrigation
N1  - Includes bibliographical references
ER  -