TY  - BOOK
AU  - smith, Guy-harold,  Edited 
TI  - Conservation of natural resources
U1  - 333.720973 19
PY  - 1958///
CY  - New York
PB  - Wiley
KW  - Conservation of natural resources
KW  - United States
KW  - Economic conditions
N1  - Bibliography: p. 655-660
UR  - http://www.loc.gov/catdir/toc/fy0713/71129661.html
ER  -