Barretto, M. P. .; Siqueira, A. F. .; Ferriolli Filho, F. .; Carvalheiro, J. R. . Studies on Wild Reservoirs and Vectors of Trypanosoma Cruzi. XI – Observations on a Natural Focus of American Trypanosomiasis. Rev. Inst. Med. Trop. São Paulo 1966, 8 (3), 103-112.