Pereira GuimarĂ£es, D.2007-11-121996-04-012007-11-121987http://hdl.handle.net/10625/13455Text1 digital file (13 p.)application/pdfenAGROFORESTRYON-FARM RESEARCHTRAINING COURSESCHINAFOREST TREESSOIL EROSIONDEFORESTATIONAGRICULTURAL PRODUCTIVITYCLIMATE CHANGEReport on the International Farm Forestry Training Course held in People's Republic of China, May 1-30 1987Working Paper