A. Puñal
- Multi-Fed Upflow Anaerobic Filter: Development and Features. In: Journal of Environmental Engineering (ASCE), v. 124, n. 12 (December 1998). (1998):
- Automatic Start-Up of UASB Reactors. In: Journal of Environmental Engineering (ASCE), v. 127, n. 5 (May 2001). (2001):