"Appendix I and Appendix IIArchived 11 June 2011 at the Wayback Machine" of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). As amended by the Conference of the Parties in 1985, 1988, 1991, 1994, 1997, 1999, 2002, 2005 and 2008. Effective: 5 March 2009.
Lockyer, C. (February 1976). "Body weights of some species of large whales". ICES Journal of Marine Science. 36 (3): 259–273. doi:10.1093/icesjms/36.3.259.
Watkins, W.A.; W.E. Schevill (1979). "Aerial observations of feeding behavior in four baleen whales: Eubalaena glacialis, Balaenoptera borealis, Megaptera novaeangliae, and Balaenoptera physalus". J. Mammal. 60 (1): 155–163. doi:10.2307/1379766. JSTOR1379766.
Baumgartner, M.F.; Van Parijs, S.M.; Wenzel, F.W.; Tremblay, C.J.; Esch, H.C.; Ward, A.A. (2008). "Low frequency vocalizations attributed to sei whales (Balaenoptera borealis)"". Journal of the Acoustical Society of America. 124 (2): 1339–1349. Bibcode:2008ASAJ..124.1339B. doi:10.1121/1.2945155. hdl:1912/4618. PMID18681619.
Weir, C.R. (2010). "A review of cetacean occurrence in West African waters from the Gulf of Guinea to Angola". Mammal Review. 40: 2–39. doi:10.1111/j.1365-2907.2009.00153.x.
Olsen, E.; Budgell, P.; Head, E.; Kleivane, L.; Nøttestad, L.; Prieto, R.; et al. (2009). "First satellite-tracked long-distance movement of a sei whale (Balaenoptera borealis) in the North Atlantic". Aquatic Mammals. 35 (3): 313–318. doi:10.1578/am.35.3.2009.313.
Baumgartner, M.F.; Van Parijs, S.M.; Wenzel, F.W.; Tremblay, C.J.; Esch, H.C.; Ward, A.A. (2008). "Low frequency vocalizations attributed to sei whales (Balaenoptera borealis)"". Journal of the Acoustical Society of America. 124 (2): 1339–1349. Bibcode:2008ASAJ..124.1339B. doi:10.1121/1.2945155. hdl:1912/4618. PMID18681619.
Baumgartner, M.F.; Van Parijs, S.M.; Wenzel, F.W.; Tremblay, C.J.; Esch, H.C.; Ward, A.A. (2008). "Low frequency vocalizations attributed to sei whales (Balaenoptera borealis)"". Journal of the Acoustical Society of America. 124 (2): 1339–1349. Bibcode:2008ASAJ..124.1339B. doi:10.1121/1.2945155. hdl:1912/4618. PMID18681619.
"Japan not catching endangered whales"(PDF) (Press release). The Institute of Cetacean Research, Tokyo, Japan. 1 March 2002. Archived from the original(PDF) on 28 October 2006. Retrieved 10 November 2006.
Baumgartner, M.F.; Van Parijs, S.M.; Wenzel, F.W.; Tremblay, C.J.; Esch, H.C.; Ward, A.A. (2008). "Low frequency vocalizations attributed to sei whales (Balaenoptera borealis)"". Journal of the Acoustical Society of America. 124 (2): 1339–1349. Bibcode:2008ASAJ..124.1339B. doi:10.1121/1.2945155. hdl:1912/4618. PMID18681619.
Barlow, J.; K. A. Forney; P. S. Hill; R. L. Brownell Jr.; J. V. Carretta; D. P. DeMaster; F. Julian; M. S. Lowry; T. Ragen & R. R. Reeves (1997). "U.S. Pacific marine mammal stock assessments: 1996"(PDF). NOAA Tech. Mem. NMFS-SWFSC-248.
Direct comparisons of sounds in water to sounds in air can be complicated, see this descriptionArchived 25 July 2009 at the Wayback Machine for more information.
umich.edu
www-personal.umich.edu
Gingerich, P. (2004). "Whale Evolution"(PDF). McGraw-Hill Yearbook of Science & Technology. The McGraw Hill Companies.
animaldiversity.ummz.umich.edu
Shefferly, N. (1999). "Balaenoptera borealis". Animal Diversity Web. Retrieved 4 November 2006.
Direct comparisons of sounds in water to sounds in air can be complicated, see this descriptionArchived 25 July 2009 at the Wayback Machine for more information.
"Japan not catching endangered whales"(PDF) (Press release). The Institute of Cetacean Research, Tokyo, Japan. 1 March 2002. Archived from the original(PDF) on 28 October 2006. Retrieved 10 November 2006.
"Appendix I and Appendix IIArchived 11 June 2011 at the Wayback Machine" of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). As amended by the Conference of the Parties in 1985, 1988, 1991, 1994, 1997, 1999, 2002, 2005 and 2008. Effective: 5 March 2009.