Nicolau MC, Akaârir M, Gamundí A, González J, Rial RV (November 2000). "Why we sleep: the evolutionary pathway to the mammalian sleep". Prog. Neurobiol. 62 (4): 379–406. doi:10.1016/S0301-0082(00)00013-7. PMID10856610.
Nicolau MC, Akaârir M, Gamundí A, González J, Rial RV (November 2000). "Why we sleep: the evolutionary pathway to the mammalian sleep". Prog. Neurobiol. 62 (4): 379–406. doi:10.1016/S0301-0082(00)00013-7. PMID10856610.