Dadkhah, Manouchehr; Gifford, Gerald F. (1980). "Influence of Vegetation, Rock Cover, and Trampling on Infiltration Rates and Sediment Production1". JAWRA Journal of the American Water Resources Association. 16 (6): 979–986. Bibcode:1980JAWRA..16..979D. doi:10.1111/j.1752-1688.1980.tb02537.x. ISSN1752-1688.
Hogan, C. Michael (2010). "Abiotic factor"Archived 2013-06-08 at the Wayback Machine in Encyclopedia of Earth. eds Emily Monosson and C. Cleveland. National Council for Science and the Environment. Washington DC
harvard.edu
ui.adsabs.harvard.edu
Dadkhah, Manouchehr; Gifford, Gerald F. (1980). "Influence of Vegetation, Rock Cover, and Trampling on Infiltration Rates and Sediment Production1". JAWRA Journal of the American Water Resources Association. 16 (6): 979–986. Bibcode:1980JAWRA..16..979D. doi:10.1111/j.1752-1688.1980.tb02537.x. ISSN1752-1688.
"Soil Infiltration"(PDF). United States Department of Agriculture. Archived from the original(PDF) on 2020-02-08. Retrieved 2019-03-20.
Hogan, C. Michael (2010). "Abiotic factor"Archived 2013-06-08 at the Wayback Machine in Encyclopedia of Earth. eds Emily Monosson and C. Cleveland. National Council for Science and the Environment. Washington DC
worldcat.org
search.worldcat.org
Dadkhah, Manouchehr; Gifford, Gerald F. (1980). "Influence of Vegetation, Rock Cover, and Trampling on Infiltration Rates and Sediment Production1". JAWRA Journal of the American Water Resources Association. 16 (6): 979–986. Bibcode:1980JAWRA..16..979D. doi:10.1111/j.1752-1688.1980.tb02537.x. ISSN1752-1688.