@INPROCEEDINGS{CardosoRochaEtAlEGOV2004,
  author = {Jorge Cardoso and Artur Rocha and Joao Correia Lopes},
  title = {M-GIS -- Mobile and Interoperable Access to Geographic Information},
  booktitle = {EGOV 2004 Proceedings},
  year = {2004},
  publisher = {Springer-Verlag GmbH},
  isbn = {0302-9743},
  location = {Zaragoza, Spain},
  url = {http://jorgecardoso.org/publications/egov-2004-mgis.pdf}
}