Gianetti, G; Burton, L; Donovan, R; Allen, G; Pescatello, LS (2008). «Physiologic and psychological responses of an athlete cycling 100+ miles daily for 50 consecutive days». Current sports medicine reports. 7 (6): 343–7. PMID19005357. doi:10.1249/JSR.0b013e31818f0670.
Gianetti, G; Burton, L; Donovan, R; Allen, G; Pescatello, LS (2008). «Physiologic and psychological responses of an athlete cycling 100+ miles daily for 50 consecutive days». Current sports medicine reports. 7 (6): 343–7. PMID19005357. doi:10.1249/JSR.0b013e31818f0670.