TY  - BOOK
AU  - Perrins, Christopher M.
AU  - Lebreton, J. D.
AU  - Hirons, G. J. M.
TI  - Bird population studies: relevance to conservation and managemen t 
SN  - 0198577303
U1  - 639.9/78  20
PY  - 1991///
CY  - Oxford,  New York
PB  - Oxford University Press
KW  - Bird populations
KW  - Birds
KW  -  Conservation
N1  - Includes bibliographical references and index
ER  -