Idowu, A. B., Edema, M. O. and Adeyi, A. O. (2006) “Distribution of bacteria and fungi in the earthworm Libyodrillus violaceous(Annelida: Oligochaeta), a native earthworm from Nigeria”, Revista de Biología Tropical, 54(1), pp. 49–58. doi: 10.15517/rbt.v54i1.13991.