1. Performance of laboratory oxidation ponds;Aikens-Afful,1961
2. The Inland Lakes of Wisconsin;Birge,1922
3. Use of algae in removing phosphorus from sewage;Bogan;Trans. Am. Soc. civ. Engrs,1960
4. Dissolved solids removal from waste water by algae;Bush;J. Am. Soc. civ. Engrs,1961
5. The reclamation of sewage effluents for domestic use;Cillie,1966