TY  - BOOK
ED  - H. John Heinz III Center for Science, Economics, and the Environment.
TI  - The state of the nation's ecosystems: measuring the lands, waters, and living resources of the United States 
SN  - 9780521525725
AV  - QH104 .S73 2002
U1  - 333.72 21
PY  - 2002///
CY  - Cambridge, UK, New York
PB  - Cambridge University Press
KW  - Environmental monitoring
KW  - United States
KW  - Methodology
KW  - Ecosystem health
N1  - Includes bibliographical references
UR  - http://www.loc.gov/catdir/description/cam031/2002073890.html
UR  - http://www.loc.gov/catdir/toc/cam031/2002073890.html
ER  -