Schulz, Tyler, Hal Whitehead, and Luke Rendell. “A Remotely-Piloted Acoustic Array for Studying Sperm Whale Vocal Behaviour”. Canadian Acoustics 34, no. 4 (December 1, 2006): 54–55. Accessed December 3, 2021. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1863.