00759naa a2200217 a 450000100080000000500110000800800410001910000160006024501200007626000090019670000200020570000160022570000180024170000130025970000160027270000220028870000200031070000150033070000130034577301830035813018412001-04-25       1998    bl uuuu     u00u1 u    #d1 aSCHROTH, G.  aSingle-tree effects agroforestry with perennial crops-an approach to the optimisation of tropical land use systems.  c19981 aTEIXEIRA, W. G.1 aVILLANI, E.1 aFACCIN, P. O.1 aHAAG, D.1 aWOLF, M. A.1 aCORREIA, F. W. S.1 aSILVA, L. F. da1 aSEIXAS, R.1 aZECH, W.  tIn: LIEBEREI, R.; BIANCHI, H.; VOB, K., ed. Proceedings of the third SHIFT-Workshop, Manaus march 15-19, 1998. Bonn: Bundesministerium fur Bildung und Forschung, 1998. p.453-460.