TY - RPRT TI - Quantitative evaluation of vitrinite reflectance in shale using Raman spectroscopy and multivariate analysis AU - Jason S. Lupoi AU - Paul C. Hackley AU - E. Birsic AU - Luke P. Fritz AU - Logan Solotky AU - Amy Weislogel AU - Steve Schlaegle PY - 2019 DO - 10.1016/j.fuel.2019.05.156 UR - https://pubs.usgs.gov/publication/70219072 ID - 70219072 ER -