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  1. 1
    Avoiding Environmental Catastrophes: Varieties of Principled Precaution

    Avoiding Environmental Catastrophes: Varieties of Principled Precaution by Alan R. Johnson

    Published 2012-09-01
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  2. 2
    A Framework for Spatial Risk Assessments: Potential Impacts of Nonindigenous Invasive Species on Native Species

    A Framework for Spatial Risk Assessments: Potential Impacts of Nonindigenous Invasive Species on Native Species by Craig R. Allen, Alan R. Johnson, Leslie Parris

    Published 2006-06-01
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