5.0  References

5.1  References

    Africa Filefolder for Spatial Analysis.  S Drive.

    Africa (Mar/Apr, 1996).  "Africa".  International Wildlife Vol. 26 Issue 2, 30.

    Africa Political Map.  http://www.lib.utexas.edu/Libs/PCL/map_collection/africa/Africa_6_97.ipg

    Barrow, C.J. (1991).  Land degradation: development and breakdown of terrestrial environments.  Cambridge England:
    Cambridge Unversity Press.

    Boukhari, Sophie (Jan., 1999).  "Soils in torment".  UNESCO Courier  Vol. 52 Issue 1, 10.

    Hudson, Norman (1995).  Soil Conservation.  London England: Redwood Books.

    Living Atlas (2000).  "Natural Vegetation in Africa". http://library.thinkquest.org/16645/media/maps/pcl/Africa_veg_86.ipg

    Stroh, M. & Raloff, J (April, 1992).  "New UN soil survey: The dirt on erosion". Science News Vol. 141 Issue 14, 215.
 

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