Mornieux, G.; Stapelfeldt, B.; Gollhofer, A.; Belli, A. (2008-04-17). "Effects of Pedal Type and Pull-Up Action during Cycling". International Journal of Sports Medicine. 29 (10): 817—822. doi:10.1055/s-2008-1038374. eISSN1439-3964. ISSN0172-4622. PMID18418807.
nih.gov
pubmed.ncbi.nlm.nih.gov
Mornieux, G.; Stapelfeldt, B.; Gollhofer, A.; Belli, A. (2008-04-17). "Effects of Pedal Type and Pull-Up Action during Cycling". International Journal of Sports Medicine. 29 (10): 817—822. doi:10.1055/s-2008-1038374. eISSN1439-3964. ISSN0172-4622. PMID18418807.
Mornieux, G.; Stapelfeldt, B.; Gollhofer, A.; Belli, A. (2008-04-17). "Effects of Pedal Type and Pull-Up Action during Cycling". International Journal of Sports Medicine. 29 (10): 817—822. doi:10.1055/s-2008-1038374. eISSN1439-3964. ISSN0172-4622. PMID18418807.