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3 0 0 0 0
Investing in research :a proposal to strengthen the agricultural, food, and environmental system
- 作者: National Research Council (U.S.).
- 出版: Washington, D.C. : National Academy Press 1989.
- 資料類型: 電子書
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6 0 0 0 0
Food aid projections for the decade of the 1990s :report of an ad hoc panel meeting, October 6 & 7, 1988.
- 作者: National Research Council (U.S.).
- 出版: Washington, D.C. : Board on Science and Technology for International Development, Office of International Affairs, National Research Council [1989].
- 資料類型: 電子書
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22 0 0 0 0
The poet's truth :a study of the poet in Virgil's Georgics
- 作者: Perkell, Christine G.
- 出版: Berkeley : University of California Press ©1989.
- 資料類型: 電子書
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10 0 0 0 0
Medically assisted conception :an agenda for research : report of a study
- 作者: Committee on the Basic Science Foundations of Medically Assisted Conception.
- 出版: Washington, D.C. : National Academy Press 1989.
- 資料類型: 電子書