Author: ALLEN, K.C.
Title: Spore assemblages and their stratigraphical application in the Lower and Middle Devonian of North and Central Spitsbergen.
Description: 1967. Palaeontology 10-2; pp. 280-297, 4 fig. (of which 1 h.t. folding-out). Orig. extract, plain new wrps. as such very good.

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