TY  - RPRT
TI  - Functional groups of fossil marattialeans: Chemotaxonomic implications for Pennsylvanian tree ferns and pteridophylls
AU  - J. Psenicka
AU  - E.L. Zodrow
AU  - Maria Mastalerz
AU  - J. Bek
PY  - 2005
DO  - 10.1016/j.coal.2004.10.001
UR  - https://pubs.usgs.gov/publication/70029121
ID  - 70029121
ER  -