* Lettinga, G., Roersma, R. and Grin, P. (1983). Anaerobic Treatment of Raw Domestic Sewage at Ambient Temperatures Using a Granular Bed UASB Reactor. Biotechnology and Bioengineering 25 (7): 1701-1723. (The first paper describing the process)
* von Sperling, M. and de Lemos Chernicharo, C. A. (2005). [https://www.iwapublishing.com/sites/default/files/ebooks/9781780402734.pdf Biological Wastewater Treatment in Warm Climate Regions, Volume One]. IWA Publishing, London, UK. pp. 741-804. (Detailed design information):Available at: [http://www.iwawaterwiki.org iwawaterwiki.org]
* Tare, V. and Nema, A. (n.d.). [http://unapcaem.org/Activities%20Files/A01/UASB%20Technology%20%E2%80%93%20Expectations%20and%20Reality.pdf UASB Technology – Expectations and Reality]. United Nations Asian and Pacific Centre for Agricultural Engineering and Machinery, Beijing, CN. (Assessment of UASB installations in India):Available at: [http://www.unapcaem.org unapcaem.org]
* Tchobanoglous, G., Burton, F. L. and Stensel, H. D. (2004). Wastewater Engineering: Treatment and Reuse, Metcalf & Eddy, 4th Ed. (Internat. Ed.). McGraw-Hill, New York, US. pp. 1005-1016. (Book; Detailed description and design information)
* Ulrich, A. (Ed.), Reuter, S. (Ed.), Gutterer, B. (Ed.), Sasse, L., Panzerbieter, T. and Reckerzügel, T. (2009). [https://wedc-knowledge.lboro.ac.uk/resources/books/DEWATS_-_Chapter_01.pdf Decentralised Wastewater Treatment Systems (DEWATS) and Sanitation in Developing Countries. A Practical Guide]. WEDC, Loughborough University, Leicestershire, UK. (Short overview)
* Vigneswaran, S., Balasuriya, B. L. N. and Viraraghavan, T. (1986). [https://www.ircwash.org/sites/default/files/341.2-86AN-2504.pdf Environmental Sanitation Reviews. Anaerobic Wastewater Treatment – Attached Growth and Sludge Blanket Process]. Environmental Sanitation Information Center, AIT, Bangkok, TH. (Good technical overview – Chapter 5)
===Acknowledgements===
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