TY  - BOOK
AU  - Shogren,Jaoson F.,; Tschirhart,John (editors)
TI  - Protecting Endangered Species in the United States: biological needs,political realities,economic choices  
SN  - 0521662109 :
U1  - 333.95220973 19
PY  - 2001///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Nature conservation
KW  - Spines
KW  - United States
N2  - Environment Management
ER  -