Time limit at v VO2max and VO2max slow component in swimming. A pilot study of univeristy students - Fernandes, R.; Billat, V.; Cardoso, C.; Barbosa, T.; Soares, S.; Ascensao, A.; Colaco, P.; Demarle, A.; Vilas-Boas, J. P. (Biomechanics and Medicine in Swimming IX, 2003)