Author:

Grauvogel-Stamm,L.

Year:

1969

Title:

New types of Coniferous male cones of the Voltzia Sandstones, (Early Triassic), of the Vosges.

Foreign title:

Nouveaux types d'o rganis Reproducteurs Males de Coniferes du gres a Voltzia(Trias Inferieur)Des Vosges

Reference:

Grauvogel-Stamm,L. (1969) New types of Coniferous male cones of the Voltzia Sandstones, (Early Triassic), of the Vosges. [ Nouveaux types d'o rganis Reproducteurs Males de Coniferes du gres a Voltzia(Trias Inferieur)Des Vosges ] Bulletin du Service de la Carte Geologique d'Alsace Lorraine Vol. 22 # 2 P. 93- 184

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