TY - RPRT TI - A thermal and chemical degradation approach to decipher pristane and phytane precursors in sedimentary organic matter AU - M.P. Koopmans AU - W.I.C. Rijpstra AU - M.M. Klapwijk AU - J. W. De Leeuw AU - M. D. Lewan AU - Damste J.S. Sinninghe PY - 1999 DO - 10.1016/s0146-6380(99)00088-1 UR - https://pubs.usgs.gov/publication/70021350 ID - 70021350 ER -