Saskia Baltrusch

111 Chapter 4 33. Michael, E.D., Hutton, K.E., Horvath, S.M. (1961). Cardiorespiratory responses during prolonged exercise. Journal of Applied Physiology , 16, 997-1000 34. Bink, B. (1962). The physical working capacity in relation to working time and age. Ergonomics, 5, 25-28. 35. Lehmann, G. (1983). Praktische Arbeitsphysiologie. 3rd ed. Thieme; Stuttgart, Deutschland. 4