TY  - JOUR
T1  - Further Observations on the Organization of the Fossil Plants of the Coal-Measures. Part III. Lyginodendron and Heterangium
JF  - Philosophical Transactions of the Royal Society of London. B (1887-1895)
VL  - 186
SP  - 703
EP  - 779
PY  - 1895/01/01/
UR  - http://dx.doi.org/10.1098/rstb.1895.0017
M3  - doi:10.1098/rstb.1895.0017
AU  - Williamson, W.
AU  - Scott, D.
ER  -