TY - RPRT TI - Use of radar with a stationary antenna to estimate birds in a low-level flight corridor AU - C. E. Korschgen AU - W. L. Green AU - W.L. Flock AU - E.A. Hibbard PY - 1984 UR - https://pubs.usgs.gov/publication/1001637 ID - 1001637 ER -