[1] Barlow, J. 1994. Abundance of Large Whales in California Coastal Waters: a comparison of ship surveys in 1979/80 and in 1991. Report to International Whaling Commission 44, SC/45/O 15.
[2] Barlow, J. 2003. Preliminary Estimates of the Abundance of Cetaceans along the U.S. West Coast: 1991-2001 Southwest Fisheries Science Center Administrative Report LJ-03-03.
[3] Calambokidis and Barlow. 2004. Abundance of Blue and Humpback Whales in the Eastern North Pacific Estimated by Capture-Recapture and Line-Transect Methods. Marine Mammal Science 20(10):63-85.
[4] NOAA Fisheries. 2002. Stock Assessment Report. Blue Whale (Balaenoptera musculus): Western North Atlantic Stock. Revised Jan. 2002. National Oceanic and Atmospheric Administration, Washington, D.C
[5] NOAA Fisheries. 2004. Stock Assessment Report. Blue Whale (Balaenoptera musculus): Western North Pacific Stock. Revised March 2005. National Oceanic and Atmospheric Administration, Washington, D.C.