Emilian Madosa. STUDIES ON THE VARIABILITY AND CORRELATIONS BETWEEN SOME MORPHOLOGICAL CHARACTERS IN THE BLACK PINE (PINUS NIGRA). SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future, 2017, pp. 983-990. https://doi.org/10.5593/sgem2017/61/s25.129