Graham, T. R.; Harvey, J. T.; Benson, S. R.; Renfree, J. S.; Demer, D. A. (2010-08-24). “The acoustic identification and enumeration of scyphozoan jellyfish, prey for leatherback sea turtles (Dermochelys coriacea), off central California”. ICES Journal of Marine Science67 (8): 1739–1748. doi:10.1093/icesjms/fsq112. ISSN1054-3139.
Graham, T. R.; Harvey, J. T.; Benson, S. R.; Renfree, J. S.; Demer, D. A. (2010-08-24). “The acoustic identification and enumeration of scyphozoan jellyfish, prey for leatherback sea turtles (Dermochelys coriacea), off central California”. ICES Journal of Marine Science67 (8): 1739–1748. doi:10.1093/icesjms/fsq112. ISSN1054-3139.