1. Council on Environmental Quality, Executive Office of the President, 1978, Regulations for Implementing the Procedural Provisions of the National Environmental Policy Act, Section 1502.14(a), Alternatives including the proposed action, in 40 CFR Parts 1500–1508.
2. H.T. Odum, 1996, Environmental Accounting, Emergy and Environmental Decision Making, John Wiley & Sons, Inc. New York, 370 pp.
3. Environmental Review & Case Study: Strengthening the National Environmental Policy Act of 1969