References

1) Cole, Stephen. "The Emergence of Treatment Wetlands." Environmental Science and Technology. Vol. 32, Issue 9. May 1, 1998. pg. 218.
http://pubs.acs.org/hotartcl/est/98/may/emer.html

2) HYDRA Aquatic, Inc. "Constructed Wetlands for Wastewater Treatment."
http://www.hydraaquatic.com/wastewater.html

3) Kadlec, Robert H. and Knight, Robert L. Treatment Wetlands. Boca Raton: CRC Press, Inc., 1996.

4) Naval Facilities Engineering Service Center: Environmental Services. "Phytoremediation Techonology."
http://enviro.nfesc.navy.mil/erb/restoration/technologies/remed/bio/bio-10.asp

5) U.S. Army Environmental Center. "Restoration Technology: Phytoremediation - A Natural Process for Groundwater Cleanup."
http://aec.army.mil/usaec/technology/cleanup02a.html

6) Wetlands Research, Inc. - A Living Laboratory. "The Des Plaines River Wetlands Demonstration Project."
http://www.wetlandsresearch.org/index.htm

7) Images: Des Plaines River Wetlands, courtesy of R.H. Kadlec.

8) Image: Phytokinetics, Inc., http://www.phytokinetics.com/images/wetlands.jpg

9) Image: Limnos, http://www.limnos.si/index_files/slide0004_image026.jpg