TY  - BOOK
AU  - Sutherland, William J.
TI  - Ecological census techniques : : a handbook / 
SN  - 0521478154
AV  - QH541.15.S95 E26 1996
U1  - 574.5028 20
PY  - 1996///
CY  - Cambridge : 
PB  - Cambridge University Press, 
KW  - Ecological survey
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -