TY  - BOOK
AU  - Shogren, Jason F
AU  - Tschirhart, John
TI  - Protecting endangered species in the United States : biological needs, political realities, economic choices
SN  - 9780521662109
SN  - 59874
U1  - 333.95220973 SHO 
PY  - 2001///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Endangered species - United States
KW  - Nature conservation - Economic aspects - United States
KW  - Nature conservation - Political aspects - United States
N1  - Includes bibliographical references
ER  -