@article {Oerther:May :1061-4303:459, author = "Oerther, Daniel B", title = "Anaerobic Treatment in the 21st Century", journal = "Water Environment Research", volume = "78", number = "5", year = "May ", abstract = "", pages = "459-459", url = "http://www.ingentaconnect.com/content/wef/wer/2006/00000078/00000005/art00001" }