Denny S. Parker
- Wastewater Technology Innovation for the Year 2000. In: Journal of Environmental Engineering (ASCE), v. 114, n. 3 (June 1988). (1988):
- Trickling Filter Mythology. In: Journal of Environmental Engineering (ASCE), v. 125, n. 7 (July 1999). (1999):
- Trickling Filter Mythology. In: Journal of Environmental Engineering (ASCE), v. 127, n. 1 (January 2001). (2001):