TY  - SER
AU  - Gifford,E.W.
TI  - Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906 - 13: field notes on the land birds of the Galápagos Islands and of Cocos Islands, Costa Rica 
T2  - Proceedings of the California Academy of Sciences, 4th Series, 2 (2)
U1  - 598.2922 23
PY  - 1919///
CY  - [S.d.
PB  - s.d.]
KW  - Zoología
KW  - Zoology
KW  - Ornitología
KW  - Ornithology
KW  - Aves
KW  - Birds
KW  - Ciencias básicas
KW  - Pure science
KW  - Islas Galápagos
KW  - Galapagos Islands
ER  -