J. Z. Mazo and V. B. Lyra, “<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”, JPhysEduc, vol. 21, no. 4, pp. 655-666, Dec. 2010.