1. Bustin, R.M., Cameron, A., Grieve, D., Kalkreuth, W., 1985. Coal Petrology, its Principles, Methods and Applications, 2nd edn. Geological Association of Canada, short course notes, 273 pp.
2. Fossil charcoal as evidence of past atmospheric composition;Cope;Nature,1980
3. Guo, Y., Bustin, R.M., in press. FTIR spectra and reflectance studies of artificial charcoal and inertinite from Western Canadian coals. Int. J. Coal Geol.
4. FTIR microspectroscopy of particular liptinite-(lopinite) rich, Late Permian coals from Southern China;Guo;Int. J. Coal Geol.,1996
5. Hergert, L.H., 1974. Infrared spectra. In: Sarkanen, K.V., Ludwin, C.H. (Eds.), Lignins. Wiley-Interscience, New York, pp. 267–297.