1. Åstrand, P.-O. , Experimental studies of physical working capacity in relation to sex and age. Copenhagen. Munksgaard. 1952.
2. Bergström, J. , Muscle electrolytes in man. Scand. J. clin. Lab. Invest. 1962. Suppl. 68.
3. Anthropometric determination of fat-free body weight;Döbeln;Acta med. scand.,1959
4. The assessment of the amount of fat in the human body from the measurement of skinfold thickness;Durnin;Brit. J. Nutr.,1967
5. Enzyme activity and fibre composition in skeletal muscle of untrained and trained man;Gollnick;J appl. Physiol.,1972