TY  - CPAPER
AU  - Nikola Botoucharov
TI  - VITRINITE REFLECTANCE - A MAJOR METHOD IN ANALYSIS OF MATURITY AND THERMAL HISTORY OF SEDIMENTS IN NORTH BULGARIA
T2  - 7th International Scientific Conference - SGEM2007
PY  - 2007
PB  - SGEM Scientific GeoConference
ER  -