Search Results - Wert, Steven L.

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    Wedge measures parallax separations : on large-scale 70-mm. aerial photographs / by Wert, Steven L.

    Published 1967
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    Government Document Book

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  2. 2
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    Impact of Douglas-fir tussock moth : color aerial photography evaluates mortality / by Wert, Steven L., Wickman, Boyd E.

    Published 1970
    Government Document Book

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