Author	Playford, G.
Year	1963
Journal	Palaeontology, v.5, no.4, p.619-678, pl.8895
Title	Lower Carboniferous microfloras of Spitsbergen: part two.

Abstract Playford, G., 1963b: Lower Carboniferous microfloras of Spitsbergen: part two; Palaeontology, v.5, no.4, p.619-678, pl.8895