Li et al., 2010. Bioresource Technol., 101 (10): 3430–3436

Li, L.; Xu, Z.; Wu, J.; Tian, G., 2010. Bioaccumulation of heavy metals in the earthworm Eisenia fetida in relation to bioavailable metal concentrations in pig manure. Bioresource Technol., 101 (10): 3430–3436