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2. Canter, L.W.: 1981, “Benefits of Environmental Impact Studies in the United States”, paper presented at EIA Seminar, Delft Hydraulics Laboratory, Delft, Holland.
3. Council on Environmental Quality: 1978, “National Environmental Policy Act - Regulations”, Federal Register, Vol. 43, No. 230, Nov. 29, pp. 55978–56007.
4. Council on Environmental Quality: 1982, “Environmental Quality”, Washington, D.C., pp. 234–235.