Resources in America's Future. Patterns of requirements and availabilities, 1960-2000. Hans H. Landsberg, Leonard L. Fischman, and Joseph L. Fisher. Published for Resources for the Future by Johns Hopkins Press, Baltimore, Md., 1963. xx + 1017 pp. Illus. $15
Tolley, G. S.; Department of Agricultural Economics, North Carolina State College
Журнал:
Science
Дата:
1963
485.7Кб