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2. Nitrification and denitrification in a model waste stabilization pond;AGUIRRE;Univ. Tex. Centr Res. Wat. resour.,1967
3. Treatment of high nitrate waters J;AMANT;AWWA,1969
4. Amant and Beck (1969) Nitrate removal studies at the interagency Agricultural Waste Water Treatment Center. Firebaugh, Claifornia. Presented at the Conference of the California Water Pollution Control Association, Anaheim, California, 1969.
5. Amant and Beck (1969) Research on method of removing excess plant nutruents from water. Presented at the 158th National Meeting and Chemical Exposition, ACS, New York (Sept. 8, 1969).