Resource conservation : economics and policies.
Ciriacy-Wantrup, S. V. 1906-1980,
Resource conservation : economics and policies. - 3rd ed. - Agricultural Experiment Station : Berkeley : University of California Division of Agricultural Sciences, 1968. - 395 p. ; 25 cm.
Bibliographical footnotes.
Conservation of natural resources.
Natural resources--United States.
Resource conservation : economics and policies. - 3rd ed. - Agricultural Experiment Station : Berkeley : University of California Division of Agricultural Sciences, 1968. - 395 p. ; 25 cm.
Bibliographical footnotes.
Conservation of natural resources.
Natural resources--United States.
