TY  - BOOK
AU  - Bibby,C.J.
TI  - Bird census techniques
SN  - 0120958317
AV  - QL677.5 .B476 2000
U1  - 598/.028/7 21
PY  - 2000///
CY  - London, San Diego
PB  - Academic
KW  - Birds
KW  - Counting
KW  - Bird populations
KW  - Estimates
KW  - Great Britain
KW  - Research
N1  - Previous ed.: 1992
UR  - http://www.loc.gov/catdir/description/els031/00101511.html
UR  - http://www.loc.gov/catdir/toc/els031/00101511.html
ER  -