REFERENCES

American College of Sports Medicine (ACSM). (1995) General principles of exercise prescription. In: ACSM's guidlines for exercise and prescription, 5th ed. Baltimore: Williams and Wilkins, 153-176.

Davies. J.A., and Convertina, V.A. (1975) A comparison of heart rate methods for predicting endurance training intensity. Medicine and Science in Sports and Exercise 7: 295.

García-Rovés, P.M., Terrados, N., Fernández, F., and Patterson, A.M. (1998) Macronutrients intake of top level cyclists during continuous competition. International Journal of Sports Medicine 19: 61-67.

Hawley, J.A., and Hopkins, W.G. (1995) Aerobic glycolytic and aerobic lipolytic power systems; a new paradigm with implications for endurance and ultraendurance events. Sports Medicine 19: 240-250.

Irving, R.A., Noakes, T.D., Burger, S.C., Myburgh, K.H., Querido, D., Van Zyl Smit, R. (1990) Plasma volume and renal function during and after ultramarathon running. Medicine and Science in Sports and Exercise 22: 756-761.

Karvonen, M.J., Kentala, E., and Mustala, O. (1957) The effects of training on heart rates. A "longitudinal" study. Annales Medicinae Experimentalis et Biologiae Fenniae 35: 307-310.

Kreider, R.B. (1991) Physiological considerations of ultraendurance performance. Internatiol Journal of Sports and Nutrition 1: 3-27.

Laursen, P.B., and Rhodes, E.C. (2001) Factors affecting performance in an ultraendurance triathlon. Journal of Sports Medicine 31: 195-209.

Neumayr, G., Gaenzer, H., Pfister, R., Sturm, W., Schwarzacher, S.P., Eibl, G., Mitterbauer, G., and Hoertnagl, H. (2001) Plasma levels of cardiac troponin I after prolonged strenuous endurance exercise. American Journal of Cardiology 87: 369-371.

Neumayr, G., Pfister, R., Mitterbauer, G., Maurer, A., Gänzer, H., Sturm, W., and Hörtnagl, H. (2002a) Effect of the "Race Across The Alps" in elite cyclists on plasma cardiac troponin I and T. American Journal of Cardiology 89: 484-486.

Neumayr, G., Pfister, R., Mitterbauer, G., Gänzer, H., Joannidis, M., Eibl, G., and Hörtnagl, H. (2002b) Short-term effects of prolonged strenuous endurance exercise on the level of haematocrit in amateur cyclists. International Journal of Sports Medicine, in press.

Neumayr, G., Pfister, R., Mitterbauer, G., Gänzer, H., Sturm, W., Eibl, G., and Hörtnagl, H. (2002c) Exercise intensity of Cycle-Touring events. International Journal of Sports Medicine, in press.

Palmer, G.S., Hawley, J.A., Dennis, S.C., and Noakes, T.D. (1994) Heart rate responses during a 4-d cycle stage race. Medicine and Science in Sports and Exercise 26:1278-1283.

O'Toole, M.L. (1989) Training for ultraendurance tri-athlon. Medicine and Science in Sports and Exercise 21: S209-213.

O'Toole, M.L., Douglas, P.S., and Hiller, W.D. (1989a) Lactate, oxygen uptake, and cycling performance in triathletes. International Journal of Sports Medicine 10: 413-418.

O'Toole, M.L. Douglas, P.S., and Hiller, W.D. (1989b) Applied physiology of a triathlon. Sports Medicine 8: 201-225.

O'Toole, M.L., Douglas, P.S., and Hiller, W.D. (1998) Use of heart rate monitors by endurance athletes: lessons from triathletes. Journal of Sports Medicine and Physical Fitness 38: 181-187.

Sleivert, G.G., and Rowlands, D.S. (1996) Physical and physiological factors associated with success in the triathlon. Sports Medicine 22: 8-18.

Strauss, M.B., Davies, R.K., Rosenbaum, J.D., and Rossmeisl EC. (1951) Water diuresis produced during recumbency by the intravenous infusion of isotonic saline solution. Journal of Clinical Investigation 30: 862-868.