Groslambert, A., Candau, R., Hofman, M. D., Bardy, B. Published in International Journal of Sports Medicine (1999)
Mononen, H. V., Mononen, K. M., Norvapalo, K., Viitasalo, J. Published in Training and care of athletes - current concepts and technologies. Fourth IOC World Congress on Sports Science, Monaco, october 22-25, 1997, Congress proceedings (1997)
Nitzsche, K. Published in Theorie und Praxis des Leistungssports (1980)
Merkel, M., Pihaule, W. Published in Theorie und Praxis des Leistungssports (1979)
