Boström, M. K.; Lunneryd, S.-G.; Ståhlberg, H.; Karlsson, L.; Ragnarsson, B. Diet of the Great Cormorant (Phalacrocorax Carbo Sinensis) at Two Areas in the Bay L Vstabukten, South Bothnian Sea, Sweden, Based on Otolith Size-Correction Factors. Ornis Fenn 2012, 89, 157–169.