R. M. Schmelz, R. M. C. de la Peña, and J. Römbke, “Benefits from ecological study methods to taxonomy of enchytraeids in southern Mata Atlântica”, PAB, vol. 44, no. 8, pp. 861–867, Nov. 2010, doi: 10.1590/S1678-3921.pab2009.v44.1531.