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web.archive.org
Hassan-Williams, Carla and Timothy H.. Bonner. Etheostoma proeliareArchived 2012-02-13 at the Wayback Machine. Texas State University-San Marcos, Biology Department / Aquatic Station . 30 Oct. 2012.
Scforestry.org (1976) BMPs. [online] Available at: "BMPS". Archived from the original on 2012-05-20. Retrieved 2012-11-18. [Accessed: 15 Nov 2012].