TY  - RPRT
TI  - Type specimens and basic principles of avian taxonomy
AU  - Richard C. Banks
AU  - Steven M. Goodman
AU  - Scott M. Lanyon
AU  - Thomas S. Schulenberg
PY  - 1993
UR  - https://pubs.usgs.gov/publication/5223533
ID  - 5223533
ER  -