TY - RPRT TI - Procedures for the use of aircraft in wildlife biotelemetry studies AU - David S. Gilmer AU - Lewis M. Cowardin AU - Renee L. Duval AU - Larry M. Mechlin AU - Charles W. Shaiffer AU - V.B. Kuechle PY - 1981 UR - https://pubs.usgs.gov/publication/rp140 ID - rp140 ER -