TY  - BOOK
AU  - Sutherland,William J.
TI  - Ecological census techniques: a handbook 
SN  - 0521844622
AV  - QH541.15.S95 E26 2006
PY  - 2006///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Ecological survey
KW  - Methodology
UR  - http://www.loc.gov/catdir/enhancements/fy0703/2006286088-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0703/2006286088-t.html
UR  - http://www.loc.gov/catdir/enhancements/fy0733/2006286088-b.html
ER  -