997 resultados para PD control


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"Literature cited": p. 157-164.

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Contribution from Forest Service.

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"Issued July 1963."

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Sponsored by the Cooperative State Research Service and the University of Nebraska.

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"Translation of an article ... in ... Uspekhi sovremennoy biologii ... vol. 56, no.1(4) ... (1963."

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"For release ... May 25, 1989."

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Budget report for 1929/31 deals also with the operations of the fiscal year ended June 30, 1928 and the estimates for the fiscal year ending June 30, 1929.

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At head of title: Princeton university: School of public and international affairs.