England and Wales
Ruth Ozeki
Faith Clark
Kuo S. Huang
Lawrence A. Duewer
Lawrence A Duewer
United States. Bureau of Agricultural Economics. Division of Statistical and Historical Research. Foreign Section
Canada. Agriculture Canada
Kalman Blum
United States. Office of Energy Conservation and Environment.
Robert L. Rizek
S. G. Liedke
Teresa LaToya Elmadih
Peggy Gilliam Nason
Unknown Author
John H. Dyck
Australian Bureau of Agricultural and Resource Economics
Clayton Furman Brasington
Cheng, Xu.
Paul J. Trapido