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Application of landsat data in desert locust survey and control / by Jelle U. Hielkema.
- 859.01
- Food and agriculture organization of the United Nations. Plant production and protection division,
- 1977.
- Rome :
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Report of the government consultation on the international plant protection convention, Rome, Italy, 15-19 November 1976
- Food and agriculture organization of the United Nations. Plant production and protection division,
- 1977.
- Rome :