BIGLAND-RITCHIE, B. Central and peripheral fatigue in sustained maximum voluntary contractions of human quadriceps muscle. Clinical Science and Molecular Medicine. 1978, 54, 609-614
MATEIKA, J. The ventilation, lactate and electromyographic thresholds during incremental exercise tests in normoxia, hypoxia and hyperoxia. Eur. J. Appl. Phys. 1994, 69, 110-118