TY  - BOOK
AU  - Woodwell,George M.
TI  - The earth in transition: patterns and processes of biotic impoverishment 
U1  - 304.2 
PY  - 1990///
CY  - Cambridge, MA.
PB  - Cambridge University Press
KW  - Comunidades bióticas
KW  - Congresos, conferencias, etc
KW  - Ecología humana
ER  -