G. Ávila, H. Gaete, M. Morales, e A. Neaman, “Reproduction of Eisenia foetida in agricultural soils from mining areas contaminated with copper and arsenic”, PAB, vol. 42, nº 3, p. 435–441, mar. 2007, doi: 10.1590/S1678-3921.pab2007.v42.7585.