1. Adamus, P.R., 1983, A Method for Wetland Functional Assessment. Volume I. FHWA Assessment Method. Report Number FHWA-IP-82–24, U.S. Department of Transportation, Washington, D.C.
2. Adamus, P.R., ARA, Inc, Clairain, Jr., E.J., Smith, R.D., and Young, R.E., 1987, Wetland Evaluation Technique (WET) Volume II: Methodology. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi.
3. Amman, A.P., and Stone, A.L., 1991, Method for the Comparative Evaluation of Nontidal Wetlands in New Hampshire, New Hampshire Department of Environmental Services, Concord, New Hampshire.
4. Anderson, J.R., Hardy, E.E., Roach, J.T., and Witmer, R.E., 1976, A Land Use and Land Cover Classification System for use with Remote Sensor Data, U.S. Geological Survey Professional Paper 964. U.S. Government Printing Office, Washington, D.C.
5. Appleton, J., 1993, Unpublished documentation, Chittenden County Regional Planning Commission, Essex Junction, Vermont.