E. Clark

Issues in ecosystem valuation: improving information for decision making

J. Payne, D. Bromley, C. Russell, 1995 .

The off-site costs of soil erosion

E. Clark, Edwin H. Clark, 1985 .

Eroding Soils: The Off-Farm Impacts

E. Clark, Edwin H. Clark, Jennifer A. Haverkamp, 1985 .

Some Basic Considerations on Agricultural Mechanization in West Pakistan

E. Clark, S. Bose, 1969 .