TY  - BOOK
AU  - Leclerq,Suzanne
AU  - Andrews,Henry N.
TI  - Calamophyton bicephalum, a new species from the Middle Devonian of Belgium
PY  - 1960///
CY  - [S. l.]
PB  - [s. n.]
N1  - Reprint from Annales of the Missouri botanical garden, 1960, vol. 47, N 1
ER  -