Citation:
Oleson, E.M., J. Calambokidis, S.M. Wiggins, and J.A. Hildebrand. 2004. Blue and fin whales in the Southern California Bight: Using long-term acoustic records and acoustic recording tags. Presentation to the 148th meeting of the Acoustical Society of America, San Diego, CA, 18 November 2004. Journal of the Acoustical Society of America 116:2588.
Link:
https://www.researchgate.net/publication/260901063_Blue_and_fin_whales_in_the_Southern_California_Bight_Using_long-term_acoustic_records_and_acoustic_recording_tags