1. Underground Water Pollution Resulting from Waste Disposal;Anonymous,1952
2. California Department of Water Resources;Anonymous;San Joaquin Valley Drainage Investigation, Bulletin No. 127,1969
3. Operation of Wastewater Treatment Plants;Anonymous,1976
4. WE&T Waterline, Tracking Estrogen Pollution;Anonymous;Water Environment and Technology,2001
5. Perchlorate Emerging as a Likely Arizona Water Quality Issue;Anonymous;Arizona Water Resources,2003