1. Andrews, R. N. L.: 1976, Environmental Policy and Administrative Change: Implementation of the National Environmental Policy Act, D.C. Heath, Lexington, Mass.
2. Beanlands, G. E. and Duinker, P. N.: 1983, An Ecological Framework for Environmental Impact Assessment in Canada, Institute for Resource and Environmental Studies, Dalhousie University, Halifax, Nova Scotia.
3. Bisset, R.: 1984, ?Post-Development Audits to Investigate the Accuracy of Environmental Impact Predictions?, Zeitschrift für Umweltpolitik, 463?484.
4. Brewer, G. and deLeon, P.: 1983, The Foundation of Policy Analysis, Dorsey Press, Homewood, Ill.
5. Caldwell, L. K.: 1982, Science and the National Environmental Policy Act, University of Alabama Press, University, Ala.