
- Author: Water Environment Federation, Water Environment Research Foundation Staff
- Language: English
- Year: 2015

- Author: Water Environment Federation
- Language: English
- Year: 2016

- Author: Water Environment Federation
- Language: English
- Year: 2015

- Author: Water Environment Federation
- Language: English
- Year: 2022

- Author: Roy Keith Smith
- Language: English
- Year: 2019