TY - RPRT TI - Effects of heptachlor on American kestrels in the Columbia Basin, Oregon AU - Charles J. Henny AU - L. J. Blus AU - C. J. Stafford PY - 1983 DO - 10.2307/3808167 UR - https://pubs.usgs.gov/publication/5221849 ID - 5221849 ER -