TY - RPRT TI - Evaluation of harmonic direction-finding systems for detecting locomotor activity AU - V.L. Boyarski AU - G.H. Rodda AU - J. A. Savidge PY - 2010 DO - 10.2193/2006-396 UR - https://pubs.usgs.gov/publication/70000585 ID - 70000585 ER -