Source: https://www.researchgate.net/profile/Maria_Psaralexi/publication/308328981_Utilising_telemetry_and_remote_sensing_technology_to_evaluate_the_effectiveness_and_use_of_the_KA45_highway_underpasses_by_brown_bears_Ursus_arctos_in_the_region_of_Kastoria_W_Macedonia_Greece/links/57e0f36608ae3f2d793f4b77/Utilising-telemetry-and-remote-sensing-technology-to-evaluate-the-effectiveness-and-use-of-the-KA45-highway-underpasses-by-brown-bears-Ursus-arctos-in-the-region-of-Kastoria-W-Macedonia-Greece.pdf