TY  - JOUR
T1  - Further Observations on the Organisation of the Fossil Plants of the Coal-Measures. Part III. Lyginodendron and Heterangium. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 58
SP  - 195
EP  - 204
PY  - 1895/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1895.0030
M3  - doi:10.1098/rspl.1895.0030
AU  - Williamson, W.
AU  - Scott, D.
ER  -