Pavel Petrov. GEOHASH-EAS - A MODIFIED GEOHASH GEOCODING SYSTEM WITH EQUAL-AREA SPACES. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Informatics, Geoinformatics and Remote Sensing, 2018, pp. 187-194. https://doi.org/10.5593/sgem2018/2.2/s08.024