1. American Society Agricultural Engineers, 1988. Manure production and characteristics. American Society Agricultural Engineers, Bulletin D384.1, St. Joseph, MI.
2. Barth, C. L., 1985. Livestock waste characterization. A new approach. Pages 286–294 in: Proceedings of the 5th International Symposium on Agricultural Waste. Vol 13–85. American Society Agricultural Engineers, St. Joseph, MI.
3. Brodie, H. L., and L. E. Carr, 1988. Storage of poultry manure in solid form. Pages 115–119 in: Proceedings of the National Poultry Waste Management Symposium, Columbus, OH.
4. Broiler response to three ventilation rates;Carr;Trans. Am. Soc. Agric. Eng.,1980
5. Cottier, G. J., 1967. The effect of litter reuse on broiler performance and litter composition. Pages 83–87 in: Proceedings of National Poultry Litter and Waste Management Seminar, Auburn, AL.