Holst, M., Smultea, M. A., Koski, W. R., Sayegh, A. J., Pavan, G., Beland, J. and Goldstein, H. H. (2017) “Cetacean sightings and acoustic detections during a seismic survey off Nicaragua and Costa Rica, November-December 2004”, Revista de Biología Tropical, 65(2), pp. 599–611. doi: 10.15517/rbt.v65i2.25477.