TY - CPAPER AU - Joanna Jaroszewicz TI - ANALYSIS OF HYPSOMETRIC TINTS USED TO REPRESENT LANDFORMS ON POLISH MAPS ISSUED IN THE YEARS 1850-2004 T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING PY - 2015 DO - 10.5593/sgem2015/b22/s11.085 PB - Stef92 Technology ER -