Schmelz, Ruediger Maria, et al. “Benefits from Ecological Study Methods to Taxonomy of Enchytraeids in Southern Mata Atlântica”. Pesquisa Agropecuaria Brasileira, vol. 44, no. 8, Nov. 2010, pp. 861-7, doi:10.1590/S1678-3921.pab2009.v44.1531.