TY - RPRT TI - Bacteria-like bodies in coalified Carboniferous xylem-enigmatic microspheroids or possible evidence of microbial saprophytes in a vitrinite precursor? AU - P.C. Lyons PY - 1991 DO - 10.1016/0166-5162(91)90054-m UR - https://pubs.usgs.gov/publication/70016544 ID - 70016544 ER -