The status of the blue whale Balaenoptera musculus off the west coast of South America. Scientific Committee document SC/49/SH9, International Whaling Commission, Bournemouth, UK
Van Waerebeek, K.; Pastene, L.A.; Alfaro-Shigueto, J.; Brito, J.L.; Mora-Pinto, D. (1997). The status of the blue whale Balaenoptera musculus off the west coast of South America. Scientific Committee document SC/49/SH9, International Whaling Commission, Bournemouth, UK. International Whaling Commission: Bournemouth. 10 pp.