TY  - BOOK
AU  - Ciriacy-Wantrup,S.V.
ED  - California Agricultural Experiment Station.
TI  - Resource conservation: economics and policies
PY  - 1968///
CY  - Agricultural Experiment Station
PB  - Berkeley, University of California Division of Agricultural Sciences
KW  - Conservation of natural resources
KW  - Natural resources
KW  - United States
N1  - Bibliographical footnotes
ER  -