SGEM 2015 : 15th international multidisciplinary scientific geoconference SGEM 2015, 18-24, June, 2015, Albena, Bulgaria. GeoConference on informatics, geoinformatics and remote sensing. I., Informatics, geoinformatics, photogrammetry and remote sensing. / / reviewers Aleš Čepek, Karel Pavelka. Sofia : STEP92 Technology, 2015. [1226] s. ISBN 978-619-7105-34-6.