TY  - RPRT
TI  - Advanced systems data for mapping Emperor Penguin habitats in Antarctica
AU  - Richard D. Sanchez
AU  - Gerald L. Kooyman
PY  - 2004
DO  - 10.3133/ofr20041379
UR  - https://pubs.usgs.gov/publication/ofr20041379
ID  - ofr20041379
ER  -