1. Agnevik, G., Karlsson, J., Diamant, B., Saltin, B.: Oxygen debt, lactate in blood and muscle tissue during maximal exercise in man. In: Biochemistry of exercise, L. Poortmans, ed. pp. 62?65. Basel-New York: Karger 1969
2. �strand, P.-O.: Experimental studies of physical working capacity in relation to sex and age. Copenhagen: Munksgaard 1952
3. Ettema, J. H.: Limits of human performance and energy production. Int. Z. angew. Physiol.22, 45?54 (1966)
4. Farfel, V. S., Michailov, V. V.: Maximal oxygen consumption as criterion of the capacity of oxidative processes and total work capacity of the organism. In: Oxygen regime of the organism and its regulation [in Russian], pp. 264?270. Kiev: Naukovadumka 1966
5. Gandelsman, A. B.: Physiological fundamentals of top athletes performances in long-term cyclical muscular exercise [in Russian]. Teoriya i praktika fiz. kultury5, 61 (1968)