TY - RPRT TI - An accelerometer-derived ballistocardiogram method for detecting heartrates in free-ranging marine mammals AU - Czapanskiy, M. F. AU - Ponganis, P. J. AU - Fahlbusch, J. A. AU - Schmitt, T. L. AU - Godlbogen, J. A. PY - 2021 DO - 10.1101/2021.12.03.471142 UR - https://www.biorxiv.org/content/10.1101/2021.12.03.471142v1 ID - 10.1101/2021.12.03.471142 ER -