Pitman, R. L., H. Fearnbach, R. . LeDuc, J. W. Gilpatrick Jr., J. K. B. Ford, and L. T. Ballance. “Killer Whales Preying on a Blue Whale Calf on the Costa Rica Dome: Genetics, Morphometrics, Vocalisations and Composition of the Group”. J. Cetacean Res. Manage., vol. 9, no. 2, Feb. 2023, pp. 151-7, doi:10.47536/jcrm.v9i2.683.