Stable carbon and nitrogen isotope trophic enrichment factors for Steller sea lion vibrissae relative to milk and fish/invertebrate diets - Stricker, Craig; Christ, Aaron; Wunder, Michael; Doll, Andrew C.; Farley, Sean; Rea, Lorrie; Rosen, David A. S.; Scherer, R.; Tollit, Dominic (Marine Ecology Progress Series, 2015)