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Hof, P. R.; Van Der Gucht, E. (2007). “Structure of the cerebral cortex of the humpback whale, Megaptera novaeangliae (Cetacea, Mysticeti, Balaenopteridae)”. 《The Anatomical Record》 290 (1): 1–31. doi:10.1002/ar.20407. PMID17441195.
Butti, C.; Sherwood, C. C.; Hakeem, A. Y.; M. Allman, J.; Hof, P. R. (2009). “Total number and volume of Von Economo neurons in the cerebral cortex of cetaceans”. 《The Journal of Comparative Neurology》 515 (2): 243–259. doi:10.1002/cne.22055. PMID19412956. S2CID6876656.
Rangel, Francisco Alejandro Lagunas (August 2021). “Deciphering the whale's secrets to have a long life”. 《Experimental Gerontology》 151. doi:10.1016/j.exger.2021.111425. PMID34051285.지원되지 않는 변수 무시됨: |article-number= (도움말)
Pitman, Robert L. (2016). “Humpback whales interfering when mammal-eating killer whales attack other species: Mobbing behavior and interspecific altruism?”. 《Marine Mammal Science》 33: 7–58. doi:10.1111/mms.12343.
Hof, P. R.; Van Der Gucht, E. (2007). “Structure of the cerebral cortex of the humpback whale, Megaptera novaeangliae (Cetacea, Mysticeti, Balaenopteridae)”. 《The Anatomical Record》 290 (1): 1–31. doi:10.1002/ar.20407. PMID17441195.
Butti, C.; Sherwood, C. C.; Hakeem, A. Y.; M. Allman, J.; Hof, P. R. (2009). “Total number and volume of Von Economo neurons in the cerebral cortex of cetaceans”. 《The Journal of Comparative Neurology》 515 (2): 243–259. doi:10.1002/cne.22055. PMID19412956. S2CID6876656.
Rangel, Francisco Alejandro Lagunas (August 2021). “Deciphering the whale's secrets to have a long life”. 《Experimental Gerontology》 151. doi:10.1016/j.exger.2021.111425. PMID34051285.지원되지 않는 변수 무시됨: |article-number= (도움말)
Butti, C.; Sherwood, C. C.; Hakeem, A. Y.; M. Allman, J.; Hof, P. R. (2009). “Total number and volume of Von Economo neurons in the cerebral cortex of cetaceans”. 《The Journal of Comparative Neurology》 515 (2): 243–259. doi:10.1002/cne.22055. PMID19412956. S2CID6876656.