Ackerman, Joseph
Land economics research papers presented at sysmposium held at Lincoln, Nebraska, June 13-23-1961, under the joint sponsorship of Farm Foundation Resources for the future, Inc. Joseph Ackerman ; Marion Clawson ; and Marshall Harris
Washington, D.C. Resources for the Future c. 1962,
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Ackerman, Joseph
Land economic research papers presented at symposium held at Lincoln, Nabraska, June 16-23, 1962, under the joint sponsorship of Farm Foundation Resources for the Future Joseph Ackerman, Marion Clawson and Marshall Harris
Washington, D>C. Resources for the Future c. 1961,
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Natural resources and international developmnet/edited by Marion Clawson
Mass John Hopkins , 1965
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Clawson, Marion
The Bureau of Land Management /​ Marion Clawson.
Praeger Publishers, 1971
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Marine and coastal processes in the Pacific: ecological aspects of coastal zone management: papers presented at a Unesco seminar held at Motupore Island Research Centre, University of Papua New Guinea, 14-17 July 1980.
Unesco, 1981
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