TY  - RPRT
TI  - The effects of a tall tower on nocturnal bird migration: A portable ceilometer study
AU  - M.L. Avery
AU  - P. F. Springer
AU  - J.F. Cassel
PY  - 1976
UR  - https://pubs.usgs.gov/publication/1001830
ID  - 1001830
ER  -