Activated Sludge – 100 Years and Counting
Essen, Germany
12 a 14 de Junho de 2014
http://www.iwahq.org/21k/events/iwa-events/2014/activated-sludge.html
Essen, Germany
12 a 14 de Junho de 2014
http://www.iwahq.org/21k/events/iwa-events/2014/activated-sludge.html