1. Adams. F.H.: Factors affecting the working capacity of children and adolescents. In:Physical Activity: Growth and Development.A.L. Rarick (Ed.) New York: Academic Press, p. 81 (1973).
2. Carter, J.E.L.The Health-Carier Somatotype Method.(San Diego: San Diego State University Syllabus Service), 3rd edition (1980).
3. Claesens, A.L., Vanden, B., Renson, R., and Gervan, D.V.: The description of tests and measurements. In:Growth and Fitness of Flemish Girls - The Leuven Growth Study, J. Simons, G.P. Beunen, R. Renson, A.L. Claessens, B. Vanreusel and J. Lefevre (Eds.) Champaign, IL: Hurran Kinetics, p. 21 (1980).
4. Collins, K.J., and Weiner, J.S.Human Adaptation: A History of Compendium of Research. International Biological viral Programme, London: Taylor and Francis (1977).
5. Council of Europe, Committee for the Development of Sport:Eurofit, Handbook for the Eurofit Tests of Physical Fitness. Rome: Council of Europe (1988).