TY  - BOOK
AU  - Andrews,Richard N.L.
TI  - Managing the environment, managing ourselves: a history ofAmerican environmental policy 
SN  - 0-300-07358-5
AV  - GE180 A53 1999
PY  - 1999///
CY  - New Haven
PB  - Yale University
N1  - Incluye bibliografia
ER  -