@article{411901,
      recid = {411901},
      author = {Barrett, Christopher B. and Place, Frank, and Aboud,  Abdillahi A.},
      title = {Natural resources management in African agriculture  understanding and improving current practices / [electronic  resource] :},
      publisher = {CABI Pub. in association with the International Centre for  Research in Agroforestry,},
      address = {Wallingford, Oxon, UK ;},
      pages = {xv, 335 p. :},
      year = {2002},
      url = {http://library.usi.edu/record/411901},
}