hat
Krustrup P, Mohr M, Nybo L, Jensen JM, Nielsen JJ, Bangsbo J. (2006) tès la Yo-Yo IR2: repons fizyolojik, fyab, ak aplikasyon nan elit foutbòl. Medsin ak Syans nan Espò ak Fè egzèsis. Sep; 38 (9)
eng
Krustrup P, Mohr M, Nybo L, Jensen JM, Nielsen JJ, Bangsbo J. (2006) The Yo-Yo IR2 test: physiological response, reliability, and application to elite soccer. Medicine & Science in Sports & Exercise. Sep;38(9)