http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
technical, economic, environmental, and policy aspects
Microfilm. Arlington, Va. : University Publications of America, 1976. on reel 3 of 6 microfilm reels : positive ; 35 mm. Low reduction. (Major studies of the Congressional Research Service. 1975-76 supplement ; reel 3, fr. 0630).
Major studies of the Congressional Research Service. 1975-76, reel 3, fr. 0630