Showing 1 - 2 results of 2 for search 'Siegel, Frederic R.', query time: 0.02s Refine Results
  1. 1
    Demands of Expanding Populations and Development Planning Clean Air, Safe Water, Fertile Soils /
    by Siegel, Frederic R.
    Published in Springer eBooks (2008)
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  2. 2
    Countering 21st Century Social-Environmental Threats to Growing Global Populations
    by Siegel, Frederic R.
    Published in Springer eBooks (2015)
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