@article{109831,
      note = {Prepared by M. Sowton and J. Price.},
      author = {Sowton, M. and Price, J.},
      url = {http://digitallibrary.un.org/record/109831},
      title = {Digital map data : a component of geographic and land  information systems : paper /},
      publisher = {UN,},
      recid = {109831},
      pages = {11 p.},
      address = {[New York] :. 1991-01-24},
      year = {1991},
      month = {Jan},
}