TY - RPRT TI - Chemical and nanometer-scale structure of kerogen and its change during thermal maturation investigated by advanced solid-state 13 C NMR spectroscopy AU - J. Mao AU - X. Fang AU - Y. Lan AU - A. Schimmelmann AU - Maria Mastalerz AU - L. Xu AU - K. Schmidt-Rohr PY - 2010 DO - 10.1016/j.gca.2009.12.029 UR - https://pubs.usgs.gov/publication/70037506 ID - 70037506 ER -