TY  - BOOK
AU  - Ciriacy-Wantrup, Sigfrid Von.
AU  - Parsons, James J.
TI  - Natural resources: : quality and quantity. Papers presented before a Faculty seminar at the University of California, Berkeley, 1961-1965
U1  - 333.72 
PY  - 1967///
CY  - Berkeley
PB  - Univ. of California
KW  - Recursos naturales
KW  - Conservación
ER  -