1. Wetland conversion policies in southern Ontario: a delphi approach;Bardecki,1984
2. Valuation and Management of wetland ecosystems;Costanza;Ecol. Econ.,1989
3. Private vs. public economics of prairie wetland allocation;Danielson;J. Environ. Econ. Manage,1986
4. Waterfowl use of the Lake St. Clair marshes during migration in 1968–1969, 1976–1977, and 1982;Dennis,1984