TY  - BOOK
AU  - Sutherland,William J.
TI  - Ecological census techniques: : a handbook
SN  - 0 52160636 3
AV  - QH541.15.S95E26 2006 
PY  - 2000///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Ecological surveys
N1  - Includes bibliographical references and index
ER  -