doi.org/10.1016/0165-2370(87)85043-X
J. Anal. Appl. Pyrolysis

van Smeerdijk, D. G, & Boon, J. J. (1987). Characterisation of subfossil sphagnum leaves, rootlets of ericaceae and their peat by pyrolysis-high-resolution gas chromatography-mass spectrometry. J. Anal. Appl. Pyrolysis, 11, 377–402. doi:10.1016/0165-2370(87)85043-X