Ivo MartinĂ­k. ACTIVE OBJECTS AND THEIR MODELING WITH USING OF MULTIPROCESS PETRI MULTINETS WITH TIME STAMPS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Informatics, Geoinformatics and Remote Sensing, 2018, pp. 35-46. https://doi.org/10.5593/sgem2018/2.1/s07.005