1. B. E. Rittmann , in Source Separation and Decentralization for Wastewater Management , ed. T. A. Larsen , K. M. Udert and J. Lienert , IWA publishing , New York, NY , 2013 , ch. 2, pp. 14–27
2. National Academy of Engineering of the National Academies , Grand Challenges for Engineering , 2012
3. A safe operating space for humanity
4. Cost comparison of wastewater treatment in Danubian countries
5. B. Stinson , S.Murthy , C.Bott , B.Wett , A.Al-Omari , G.Bowden , Y.Mokhyerie and H. D.Clippeleir , Proceedings from WEFTEC2013 , Chicago, USA , 2013