書誌事項

U.S. fertilizer technology patents

[prepared in cooperation with the Agency for International Development by Jane J. Mackey]

(Bulletin / National Fertilizer Development Center, Y-144)

Tennessee Valley Authority, National Fertilizer Development Center, [1979]

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注記

Cover title

"August 1979"--P. 4 of cover

Includes index

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  • Bulletin

    National Fertilizer Development Center

    Tennessee Valley Authority, National Fertilizer Development Center

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