Rezende, Soraia Rage, et al. “Effect of Season on Haircoat Characteristics and Physiological Parameters of Holstein-Gyr X Guzerá Crossed Heifers”. Semina: Ciências Agrárias, vol. 38, no. 1, Mar. 2017, pp. 381-90, doi:10.5433/1679-0359.2017v38n1p381.