1.9. Compendium of Sanitation Technologies in emergencies - ( EAWAG ).
2014 // 180 pages // Elizabeth Tilley, Lukas Ulrich, Christoph Lüthi, Philippe Reymond, Christian Zurbrügg // ISBN 978-3-906484-57-0
1.9.Compendium of Sanitation Technologies in emergencies - ( EAWAG ).