TY  - BOOK
AU  - Sutherland,William J.
TI  - Ecological census techniques: a handbook 
SN  - 0521478154 (pbk. )
PY  - 1996///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Ecological surveys
KW  - Methodology
KW  - Ecology
KW  - Research
N1  - Includes index; Includes bibliographical references
ER  -