Gregory Papkov
- Single-Sludge Nitrogen Removal Model: Calibration and Verification. Dans: Journal of Environmental Engineering (ASCE), v. 125, n. 7 (juillet 1999). (1999):
- Microbial Activity: Mathematical Expression and Direct Determination. Dans: Journal of Environmental Engineering (ASCE), v. 126, n. 1 (janvier 2000). (2000):