Torgler, Benno (2007). ""La Grande Boucle": Determinants of Success at the Tour de France". Journal of Sports Economics. 8 (3): 317–331. doi:10.1177/1527002506287657. S2CID58895810.
Torgler, Benno (2007). ""La Grande Boucle": Determinants of Success at the Tour de France". Journal of Sports Economics. 8 (3): 317–331. doi:10.1177/1527002506287657. S2CID58895810.