TY  - BOOK
ED  - Commission for Environmental Cooperation
TI  - North American environmental law and policy
SN  - 2894512333
U1  - 344.730 46 
PY  - 1998///
CY  - Estados Unidos
PB  - Commission for Environmental Cooperation
KW  - Derecho ambiental
KW  - Estados Unidos
KW  - Política
ER  -