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Running for Fitness : Weight and performance
Daniels, J., & Gilbert, J. R. (1979). Oxygen Power: Performance Tables for Distance Runners, Oxygen Power. USA.
Helgerud, J. (1994). Maximal oxygen uptake, anaerobic threshold and running economy in women and men with similar performances level in marathons. European Journal of Applied Physiology, 68, 155-161.
Midgley, A. W., McNaughton, L. R., & Jones, A. M. (2007). Training to enhance the physiological determinants of long-distance running performance. Sports Medicine, 37(10), 857-880.
Saunders, P. U., Pyne, D. B., Telford, R. D., & Hawley, J. A. (2004). Factors affecting running economy in trained distance runners. Sports Medicine, 34(7), 465-485.
Storen, O., Helgerud, J., Stoa, E. M., & Hoff, J. (2008). Maximal strength training improves running economy in distance runners. Medicine and Science in Sports and Exercise, 40(6), 1089-1094.