thanks to:

YES, thanks to the following for their citation and friendship:


a) Kunihiko Kato, my japanese collegue and friends:
His new web site is also in english. He works on Reed NET Co, Ltd http://reed-net.com/eindex.php. 
He build and make research on treatment wetlands for animal and agroindustry wastewaters. His wetlands are really good and treat a lot!


b) rainbow water coalition: 
http://rainbowwatercoalition.blogspot.com: a beautiful, complete and really interesting blog with a lot of news on greywater. The Rainbow Water Coalition received an honorable mention as one of the top 30 water blogs. See all the winners at http://www.siswebs.org/water/story.php?title=30_Best_Water_Blogs.
Take a look to the interesting "Colors of water"
The full post  ( http://rainbowwatercoalition.blogspot.com/search?updated-max=2011-01-22T10:22:00-08:00&max-results=5


c)  landscape architecture:
http://landscapearchitecture.tumblr.com/: Thanks for put into this web a link to the post of the modular system for stormwater treatment.