Castro, Marcelo Viana de, et al. “Ocurrence and Characterizacion of Negative Coagulase Staphylococci in Milking Goats, Rio De Janeiro State”. Semina: Ciências Agrárias, vol. 13, no. 1, Jan. 1992, pp. 15-17, doi:10.5433/1679-0359.1992v13n1p15.