@article{226657,
      note = {On cover: Earthwatch Global Environment Monitoring  System.},
      author = {Crain, Ian K.},
      url = {http://digitallibrary.un.org/record/226657},
      title = {User requirements for the Harmonization of Environmental  Measurement Information System, HEMIS /},
      publisher = {UNEP-HEM,},
      recid = {226657},
      pages = {47 p.},
      address = {Nairobi :. 1992-03},
      year = {1992},
      month = {Mar},
}