1. Barker J.C. (1983). “Lagoon design and management for livestock waste treatment and storage.” Rep. No. EBAE 103–83 North Carolina Cooperative Extension Service.
2. Clark C.E. (1964). “Power lagoons working on hog farms?” ASAE Paper No. 64–419 St. Joseph Mich.
3. Dale A.C. (1969). “Oxidation lagoons.” Farm animal waste regional bulletin NC-69 .
4. Eby H.J. (1964). “Anaerobic lagoons—theory and practice.” 2nd National Symp. on Poultry Waste Management Proc. pp. 77–91.