Author:

Grauvogel-Stamm,L.;Doubinger,J.

Year:

1975

Title:

Two fertile ferns from the Stephanian of the Massif Central (France).

Foreign title:

Deux Fougeres Fertiles du Stephanien du Massif Central (France).

Reference:

Grauvogel-Stamm,L. et al. (1975) Two fertile ferns from the Stephanian of the Massif Central (France). [ Deux Fougeres Fertiles du Stephanien du Massif Central (France). ] Geobios Vol. 8 # 6 P. 409- 421

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