1. Adam J. P. (1984). La construction Romaine: Matériaux et techniques (Roman construction: Materials and techniques) Éditions A. et J. Picard Paris (in French).
2. American Society of Civil Engineers (ASCE). (1998). “Sustainability criteria for water resources systems.” Project M-4.3 WRPM Division (Task Committee on Sustainability Criteria) and UNESCO International Hydrological Programme.
3. American Society of Civil Engineers (ASCE). (2001). Guide for best management practices (BMP) selection in urban developed areas Urban Water Management Infrastructure Committee’s Task Committee for Evaluating Best Management Practices.
4. sewer process modelling?
5. European Research into Sewer Sediments and Associated Pollutants and Processes