TY  - BOOK
AU  - RICHDALE,L.E.
AU  - 
TI  - A population study of penguins. 
U1  - 598.44/RIP 
PY  - 0000///Clarendon Press.
PY  - 1957///
CY  - Oxford. 
KW  - Penguins.
KW  - Zoology
N1  - Includes index and bibliography.
ER  -