Author: Oecd; United Nations Industrial Development Organization; United Nations Economic Commission for Africa; United Nations Conference on Trade and Development
Author: National Research Council, Washington, DC (USA). Committee on Haze in National Parks and Wilderness Areas; DOE/FE; Washington Procurement Operations Office, Washington, DC (United States).; United States. Department of the Interior.; United States. Environmental Protection Agency.; United States. Department of Energy. Office of Scientific and Technical Information.