Ferreira, I.C. de M. et al. 2007. Soil and native vegetation remnant in Campinas, SP, Brazil. Pesquisa Agropecuaria Brasileira. 42, 9 (Sep. 2007), 1319–1327. DOI:https://doi.org/10.1590/S1678-3921.pab2007.v42.7700.