Izquierdo, Mikel; Häkkinen, Keijo; Gonzalez-Badillo, Juan J.; Ibáñez, Javier; Gorostiaga, Esteban M. (1 July 2002). "Effects of long-term training specificity on maximal strength and power of the upper and lower extremities in athletes from different sports". European Journal of Applied Physiology. 87 (3): 264–271. doi:10.1007/s00421-002-0628-y. ISSN1439-6319. PMID12111288. S2CID30672886.
Izquierdo, Mikel; Häkkinen, Keijo; Gonzalez-Badillo, Juan J.; Ibáñez, Javier; Gorostiaga, Esteban M. (1 July 2002). "Effects of long-term training specificity on maximal strength and power of the upper and lower extremities in athletes from different sports". European Journal of Applied Physiology. 87 (3): 264–271. doi:10.1007/s00421-002-0628-y. ISSN1439-6319. PMID12111288. S2CID30672886.
Izquierdo, Mikel; Häkkinen, Keijo; Gonzalez-Badillo, Juan J.; Ibáñez, Javier; Gorostiaga, Esteban M. (1 July 2002). "Effects of long-term training specificity on maximal strength and power of the upper and lower extremities in athletes from different sports". European Journal of Applied Physiology. 87 (3): 264–271. doi:10.1007/s00421-002-0628-y. ISSN1439-6319. PMID12111288. S2CID30672886.
Izquierdo, Mikel; Häkkinen, Keijo; Gonzalez-Badillo, Juan J.; Ibáñez, Javier; Gorostiaga, Esteban M. (1 July 2002). "Effects of long-term training specificity on maximal strength and power of the upper and lower extremities in athletes from different sports". European Journal of Applied Physiology. 87 (3): 264–271. doi:10.1007/s00421-002-0628-y. ISSN1439-6319. PMID12111288. S2CID30672886.