I.P.A.H.G.E.I.S. directory of U. S. and Canadian sources of environmental information in the Great Lakes basin /
Inter-Professional Ad Hoc Group on Environmental Information Sharing ; compiled & edited by Carol Worster.

APA Citation

Inter-Professional Ad Hoc Group on Environmental Information Sharing., Worster, C. (1978). I.P.A.H.G.E.I.S. directory of U. S. and Canadian sources of environmental information in the Great Lakes basin. [1st ed.] [s. .]: I.P.A.H.G.E.I.S..

MLA Citation

Inter-Professional Ad Hoc Group on Environmental Information Sharing, and Carol Worster. I.P.A.H.G.E.I.S. Directory of U. S. And Canadian Sources of Environmental Information In the Great Lakes Basin. [1st ed.] [s. .]: I.P.A.H.G.E.I.S., 1978.