@article{291317,
      author = {DeFries, Ruth S. and Asner, Gregory P. and Houghton,  Richard A.,},
      url = {http://library.usi.edu/record/291317},
      title = {Ecosystems and land use changes /},
      publisher = {American Geophysical Union,},
      recid = {291317},
      pages = {viii, 344 p. :},
      address = {Washington, DC :},
      year = {2004},
}