López Armengol, M. F., R. P. Freund, G. N. Giménez, and N. Rubio. “Effect of Extreme Severe Heat Stress on Respiratory Rate in Unshorn and Shorn Australian Merino Rams from Northern Patagonia”. Brazilian Journal of Veterinary Research and Animal Science, vol. 54, no. 1, May 2017, pp. 36-47, doi:10.11606/issn.1678-4456.bjvras.2017.108524.