[ report an error in this record ] Dr Calambokidis, John Institute Dataset Cascadia Research Collective, more Direct contact at institute: E-mail: Calambokidis, J. and J. 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(1):63-85, more