@ARTICLE {HAUSER:2008b, title = {Groundnut/cassava/maize intercrop yields over three cycles of planted tree fallow/crop rotations on Ultisol in Southern Cameroon}, author = {Hauser, S. }, journal = {Biological Agriculture and Horticulture}, year = {2008}, volume = {25}, pages = {379--399}, issn = {0144-8765}, note = {RTB; Root and Tuber; Cassava}, }