1. Metal Statistics;American Metal Market,1976
2. Toxicity relationships to copper forms in natural waters;Andrew,1975
3. Determining maximum influent concentrations of priority pollutants for treatment plants;Anthony;J. Water Pollut. Control. Fed.,1981
4. The cost of water reclamation by advanced water treatment;Argo,1978-1982
5. Activated sludge process treats municipal-tannery wastes;Atwell;Water Sewage Works,1977