Ronald Gehr
- Polymer Dosage Control in Dissolved Air Flotation. Dans: Journal of Environmental Engineering (ASCE), v. 109, n. 2 (avril 1983). (1983):
- Assessing Polyelectrolyte Behavior by Size‐Exclusion Chromatography. Dans: Journal of Environmental Engineering (ASCE), v. 116, n. 2 (mars 1990). (1990):