Ferreira, B. R., and G. H. Bechara. “Immunity Ticks Rhipicephalus Sanguineus (Latreille) in Crab-Eating-Fox Cerdocyon Thous (Linnaeus) and Mongrel Dogs”. Brazilian Journal of Veterinary Research and Animal Science, vol. 32, no. 4, Dec. 1995, pp. 232-7, doi:10.11606/issn.1678-4456.bjvras.1994.52115.