Les spores du frasnien d'une région privilégiée, le Boulonnais.
Series: Mémoires de la Société géologique de France. Nouv. sér.,; t. 50.  Mémoire no 114
Publisher: Société géologique de France
Published: 1971
Place of publication: Paris
Language: eng
Number of pages: 86
Subjects: Spores (Botany), Fossil; Paleobotany -- Devonian; Palynology -- France -- Pas-de-Calais
Notes: Bibliography: p. [77]-86.