MAZO, J. Z.; LYRA, V. B. <b>Straight line horse races in Porto Alegre (1852/1877): a sportive-cultural practice from Rio Grande do Sul</b&gt; - doi: 10.4025/reveducfis.v21i4.8164. Journal of Physical Education , v. 21, n. 4, p. 655-666, 5 Dec. 2010.