TY  - RPRT
TI  - Distribution and abundance of the forest birds of Guam: results of a 1981 survey
AU  - John Engbring
AU  - Fred L. Ramsey
PY  - 1984
UR  - https://pubs.usgs.gov/publication/fwsobs84_20
ID  - fwsobs84_20
ER  -