1. Alden III, R.W., Perry, E., 1997. Presenting Measurements of Status: Report to the Chesapeake Bay Program Monitoring Subcommittee's Data Analysis Workgroup. Chesapeake Bay Program, Annapolis, MD.
2. Association of State and Interstate Water Pollution Control Administrators (ASIWPCA), 2002. Water Quality Monitoring Programs 2002: Status and Future of State Ambient Water Quality Monitoring Programs. ASIWPCA, Washington, DC.
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