TY - RPRT TI - Pyrolysis - Gas chromatographic studies of the origins of the insoluble aliphatic component of peat AU - R. K. Kotra AU - Patrick G. Hatcher PY - 1988 DO - 10.1007/bf00735578 UR - https://pubs.usgs.gov/publication/70013710 ID - 70013710 ER -