Lewis, T., O. Boisseau, M. Danbolt, C. Lacey, R. Leaper, J. Matthews, R. McLanaghan, and A. Moscrop. “Abundance Estimates for Sperm Whales in the Mediterranean Sea from Acoustic Line-Transect Surveys”. J. Cetacean Res. Manage., vol. 18, no. 1, Jan. 2023, pp. 103-17, doi:10.47536/jcrm.v18i1.437.