TY  - BOOK
AU  - Worster,Donald
TI  - The ends of the earth: perspective on modern environmental history
SN  - 0521348463
U1  - 304.209 
PY  - 1988///
CY  - Cambridge,Inglaterra,
PB  - Cambridge University Press
KW  - CONSERVACION DE LA NATURALEZA
KW  - ECOLOGIA HUMANA
KW  - POLITICA AMBIENTAL
ER  -