@misc{_GIS,
 howpublished={online},
 publisher={Warsaw University of Technology. Faculty of Geodesy and Cartography},
 publisher={Croatian GIS Association},
 language={eng},
 type={e-książka},
 title={GIS Polonia 2001 : [Geographical Information Systems : international conference 15th-17th october 2001, Warszawa, Poland]},
 keywords={systemy informacji geograficznej},
}