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3
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Bibliography on cotton irrigation / comp. by C.J. Brouwer and L.F. Abell.
- International institute for land reclamation and improvement (IRLI),
- 1970.
- Wageningen :
-
Annotated bibliography on surface irrigation methods / comp. by S. Raadsma and G. Schrale.
- International institute for land reclamation and improvement (IRLI),
- 1971.
- Wageningen :
-
Annotated bibliography on reclamation and improvement of saline and alkali soils (1957-1964) / comp. by L.F. Abell and W.J. Gelderman.
- International institute for land reclamation and improvement (IRLI),
- 1964.
- Wageningen :