Marine Mammal Institute

Gende, S. M., Womble, J. N., Willson, M. F., & Marston, B. H.. (2001). Cooperative foraging by Steller sea lions. Canadian Field Naturalist, 115, 355-356.

Womble, J. N., Gende, S. M., & Blundell, G. M.. (2007). Dive behavior of a harbor seal in the presence of transient killer whales in Glacier Bay National Park, Alaska. Marine Mammal Science, 23, 203-208.

Womble, J. N., Pendleton, G. W., Mathews, E. A., Blundell, G. M., Bool, N. M., & Gende, S. M.. (2010). Harbor seal ( Phoca vitulina richardii ) decline continues in the rapidly changing landscape of Glacier Bay National Park, Alaska 1992-2008. Marine Mammal Science, 26, 686-697. doi:10.1111/j.1748-7692.2009.00360.x

Blundell, G. M., Womble, J. N., Pendleton, G. W., Karpovich, S. A., Gende, S. M., & Herreman, J. K.. (2011). Use of glacial ice and terrestrial habitats by harbor seals in Glacier Bay. Marine Ecology Progress Series. doi:10.3354/meps09073