Olenciuc, Chim. Ana-Olga, Sarbu, Romulus-Iosif, Dunca, Emilia, Markos, Octavian. "THE JIU VALLEY AND FACTORS AFFECTING LICHEN GROWTH." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION (2014). https://doi.org/10.5593/sgem2014/b51/s20.101