Nikola Botoucharov. "MODELING OF THE TRIASSIC AND JURASSIC RIFTING IN THE SOUTHERN PART OF CENTRAL NORTH BULGARIA - IMPLICATIONS FOR THE SOURCE ROCK MATURITY." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING, 2014, pp. 735-742. https://doi.org/10.5593/sgem2014/b11/s6.095