TY  - BOOK
AU  - Bibby,  Colin J.
ED  - Burgess,  Neil D.
ED  - Hill,  David  A.
TI  - Bird census techniques
SN  - 0 12 095 30 0
U1  - 598.20723 
PY  - 1992///
CY  - London
PB  - Academic Press
KW  - Birds-Census Techniques
KW  - Bird Habitat
KW  - Ornithology
ER  -