9HUD, The Practice of Low Impact Development ( LID ) (Washington, DC : U.S. Department of Housing and Urban Development, Office of Policy Development and Research, (http: //www. huduser. org/Publleations/PDF/ practice Low Impact Development. pdf 2003,44 - 56.
10Low-Impact Development Design Strategies-An Integrated Design Approach. Prince George. County, Maryland Department of Enviromnental Resource Programs and Planning Division, 1999:72 - 78.