TY  - BOOK
AU  - MacLean, Douglas, ed. series
AU  - Sagoff, Mark
TI  - Economy of the earth
SN  - 521341132
CY  - Cambridge
KW  - Environmental law - United States
KW  - Environmental policy - United States
KW  - Nature
KW  - Property
KW  - Resources
KW  - Social legislation - United States
ER  -