TY  - BOOK
AU  - De Beer,Gavin
TI  - The evolution of ratites
T2  - Bulletin of the British Museum of naural history. Zoological series
PY  - 1956///
CY  - London - INGL
PB  - British Museum
KW  - Evolucion
KW  - rat
KW  - Zoologia
ER  -