1. IBWA (International Bottled Water Association. Alexandria, VA 22314, 2004
2. Natural Resources Defense Council (NRDC). New York, NY 10011, March 1999
3. Environmental U. S. Protection Agency. Providing Safe Drinking Water in America. National Public Water System Annual Compliance Report and Update on Implementation of the 1996 Safe Drinking Water Act Amendments, Executive Summary. U. S. Environmental Protection Agency, Washington, DC, September, 1996
4. Determination of trace elements in bottled water in Greece by instrumental and radiochemical neutron activation analyses