- Protozoa and Metazoa in Wastewater Treatment Processes
- The Microbiology of Anaerobic Digesters
- Troubleshooting the Activated Sludge Process: A Biological Approach (Wastewater Microbiology)
- Settleability Problems and Loss of Solids in the Activated Sludge Process (Wastewater Microbiology Series)
- Troubleshooting the Sequencing Batch Reactor











