@article{396693,
      url = {http://library.usi.edu/record/396693},
      title = {Earth observations from space the first 50 years of  scientific achievements / [electronic resource] :},
      publisher = {National Academies Press,},
      recid = {396693},
      pages = {xii, 129 p. :},
      address = {Washington, D.C. :},
      year = {2008},
}