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3. Baxter GP, Burgess LL, Daudt HW (1911) The refractive index of water. J Am Chem Soc 33:893–901
4. Boyd CE (1990) Water quality in ponds for aquaculture. Alabama Agricultural Experiment Station, Auburn University
5. Boyd CE, Brown SW (1990) Quality of water from wells in the major catfish farming area of Alabama. In: Tave D (ed) Proceedings 50th Anniversary Symposium Department of Fisheries and Allied Aquacultures, Auburn University