SILVA JUNIOR, L. S. DA; VALE, R. G. DE S.; DANTAS, E. H. M.; BARRETO, A. C. L. Y. G.; ALBERGARIA, M. B.; BOTTARO, M.; NOVAES, J. DA S. The acute effects of different indoor cycling protocols on the physiological responses and the rate of perceived exertion. Journal of Physical Education , v. 19, n. 2, p. 261-267, 22 Oct. 2008.