TY  - BK
AU  - Unhanand,K.
TI  - Irrigation and drainage by mole systems
PY  - 1972///
CY  - Logan, UT (USA)
PB  - Utah State University, 
KW  - Design
KW  - Drainage systems
KW  - Irrigation systems
KW  - Laboratory experiments
KW  - Latin America
KW  - Mole drainage
KW  - Ploughs
KW  - Testing
N1  - Illustrations, tables, graphs
ER  -