TY  - BOOK
ED  - Council on Environmental Quality (Estados Unidos)
TI  - Annual report of the council on environmental quality; together with the president's message to congress
AV  - HC103.7 E78
PY  - 1900///]
CY  - Washington
KW  - Recursos naturales
KW  - Estados Unidos
KW  - Naturaleza
KW  - Efecto de los seres humanos sobre
ER  -