Tyack Peter L, Calambokidis John, Friedlaender Ari, Goldbogen Jeremy, Southall Brandon
School of Biology and Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Scotland, United Kingdom.
Cascadia Research, 218 1/2 W 4th Ave., Olympia, Washington, United States of America.
PLoS One. 2015 Dec 17;10(12):e0142287. doi: 10.1371/journal.pone.0142287. eCollection 2015.