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Burns, J. M.; Skomp, N; Bishop, N; Lestyk, K; Hammill, M (2010). "Development of aerobic and anaerobic metabolism in cardiac and skeletal muscles from harp and hooded seals". Journal of Experimental Biology. 213 (5): 740–8. doi:10.1242/jeb.037929. PMID20154189.
Folkow, L. P.; Blix, A. S. (1999). "Diving behaviour of hooded seals (Cystophora cristata) in the Greenland and Norwegian Seas". Polar Biology. 22: 61–74. doi:10.1007/s003000050391. S2CID13600793.
Folkow, L. P.; Mårtensson, P. E.; Blix, A. S. (1996). "Annual distribution of hooded seals (Cystophora cristata) in the Greenland and Norwegian seas". Polar Biology. 16 (3): 179. doi:10.1007/BF02329206. S2CID24159024.