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  • Brazil soybean yield covariance model [microform] / by Susan L. Callis and Clarence Sakamoto.

    • Text
    • Houston, Tex. : Lyndon B. Johnson Space Center, [1984]
    • 1984
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS87458

  • Brazil wheat yield covariance model [microform] / by Susan L. Callis and Clarence Sakamoto.

    • Text
    • Houston, TX : Lyndon B. Johnson Space Center, [1984]
    • 1984
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS87457

  • Argentina soybean yield model [microform] / Susan L. Callis and Clarence Sakamoto.

    • Text
    • Houston, Tex. : Lyndon B. Johnson Space Center, [1984]
    • 1984
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS87456

  • Argentina wheat yield model [microform] / Susan L. Callis and Clarence Sakamoto.

    • Text
    • Houston, Tex. : Lyndon B. Johnson Space Center, [1984]
    • 1984
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS87455

  • Argentina corn yield model [microform] / Susan L. Callis and Clarence Sakamoto.

    • Text
    • Houston, Tex. : Lyndon B. Johnson Space Center, [1984]
    • 1984
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS87454

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