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46
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Supporting papers : world food and nutrition study
- National Academy of Sciences,
- 1977.
- Washington, DC :
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Pest control : an assessment of present and alternative technologies
- National Academy of Sciences,
- 1975-1976.
- Washington, DC :
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Appropriate technologies for developing countries / prep. by Richard S. Eckaus.
- National Academy of Sciences,
- 1977.
- Washington, DC :
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The ecological basis for subsistence change among the Sandawe of Tanzania : foreign field research program / James L. Newman.
- 864.7
- National Academy of Sciences,
- 1970.
- Washington, DC :
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Road gravels = Gravas = Les graviers / prep. by Transportation research board, Commission on sociotechnical systems, National research council.
- National Academy of Sciences,
- 1979.
- Washington, DC :
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Firewood crops : shrub and tree species for energy production : report of an ad hoc panel of the Advisory committee on technology innovation, Board on science and technology for international development, Commission on international relations
- National Academy of Sciences,
- 1980-1983.
- Washington, DC :
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Underexploited tropical plants with promising economic value : report / of an Ad hoc panel of the Advisory committee on technology innovation [of the] Board on science and technology for international development.
- National Academy of Sciences,
- 1978.
- Washington, DC :
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Prospects of the world food supply : proceedings of a symposium / chairman J. George Harrar.
- National Academy of Sciences,
- 1966.
- Washington, DC :
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Plant studies in the People's republic China : a trip report / of the American plant studies delegation.
- 851.1
- National Academy of Sciences,
- 1975.
- Washington, DC :
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Wheat in the People's republic of China : a trip report of the American wheat studies delegation / ed. by Virgil A. Johnson and Halsey L. Beemer.
- 851.1
- National Academy of Sciences,
- 1977.
- Washington, DC :