TY - RPRT TI - In situ FTIR and flash pyrolysis/GC-MS characterization of Protosalvinia (Upper Devonian, Kentucky, USA): Implications for maceral classification AU - Maria Mastalerz AU - J.C. Hower AU - A. Carmo PY - 1998 DO - 10.1016/s0146-6380(97)00104-6 UR - https://pubs.usgs.gov/publication/70020670 ID - 70020670 ER -