@ARTICLE {NORGROVE:2011, title = {Effects of cropping and tree density on earthworm community composition and densities in central Cameroon}, author = {Norgrove, L. and Csuzdi, C. and Hauser, S. }, journal = {Applied Soil Ecology}, year = {2011}, month = {September}, volume = {49}, pages = {268--271}, issn = {0929-1393}, doi = {10.1016/j.apsoil.2011.05.008}, }