@article{229461,
      author = {Breman, Henk.},
      url = {http://digitallibrary.un.org/record/229461},
      title = {Opportunities and constraints for sustainable development  in semi-arid Africa /},
      publisher = {The United Nations University, Institute for New  Technologies,},
      recid = {229461},
      pages = {iii, 23 p. :},
      address = {Maastricht, The Netherlands :. 1995-03},
      year = {1995},
      month = {Mar},
}