1. Marine mammals of the world: systematics and distribution;DW Rice;Mar Mamm Sci (Spec Publication),1998
2. Separating southern blue whale subspecies based on length frequencies of sexually mature females;TA Branch;Mar Mamm Sci,2007
3. Committee on Taxonomy. List of marine mammal species and subspecies. Society for Marine Mammalogy www.marinemammalscience.org consulted on 19th March 2016
4. Patterns of genetic variation in Southern Hemisphere blue whales and the use of assignment tests to detect mixing on the feeding grounds;RG LeDuc;J Cetacean Res Manage,2007
5. Blue whale population structure along the eastern South Pacific Ocean: evidence of more than one population;JP Torres-Florez;Mol Ecol,2014