Hasegawa, Motohiro, et al. “Community Structures of Soil Animals and Survival of Land Snails on an Island of the Ogasawara Archipelago”. Pesquisa Agropecuaria Brasileira, vol. 44, no. 8, Nov. 2010, pp. 896-03, doi:10.1590/S1678-3921.pab2009.v44.1337.