References
- Curlin , James W. National Environmental Policy Act of 1969. Environmental Indices-Status of Development Pursuant to Sections 102(2) (B) and 204 of the Act . Committee Print of the Committee on Interior and Insular Affairs, U. S. Senate, 93d Congress, 1st Session . December . pp. 46 Washington, D.C. : U. S. Government Printing Office .
- Inhaber , H. 1974 . “Environmental Quality: Outline for a National Index for Canada” . Science , 186 November 29 : 798 – 805 .
- Thomas , William A. , ed. 1972 . Indicators of Environmental Quality , 275 New York : Plenum Press .
- Thomas , W. A. , Babcock , L. R. and Shults , W. D. September 1971 . Oak Ridge Air Quality Index , September , 10 Oak Ridge, Tennessee : Oak Ridge National Laboratory . Publication ORNL-NSF-EP-8
- Council U. S. on Environmental Quality . August 1972 . Environmental Quality. The Third Annual Report of the Council on Environmental Quality , August , 450 Washington, D.C. : Government S.U. Printing Office . (Other annual reports of the Council also contain information on indices.)
- National S. U. Academy of Sciences, Environmental Studies Board . 1974 . Planning for Environmental Indices Washington, D. C.