TY  - BOOK
AU  - Perrins,Christopher M.
AU  - Middleton,Alex L.A.
TI  - The Encyclopedia of birds
SN  - 717285243
PY  - 1985///
CY  - Oxford, England
PB  - Equinox
KW  - Birds
KW  - Encyclopedias
N1  - Includes bibliographical references and indexes
ER  -