TY  - SER
AU  - Smooker, G.D.
TI  - A list of birds observed in the vicinity of bartica, in the county of essequibo, British guiana
T2  - Journal of The British guiana museum and zoo of the Royal Agricultural & Commercial society ; 
PY  - 1961///
CY  - Washington-US : 
PB  - Royal agricultural & commercial society, 
N1  - Artículo dentro de: Appendix I
ER  -