TY  - RPRT
TI  - Observation of directional thermal soaring preference in vultures
AU  - Holliday H. Obrecht
PY  - 2008
DO  - 10.1111/j.1474-919x.1988.tb00982.x
UR  - https://pubs.usgs.gov/publication/5222415
ID  - 5222415
ER  -