Oursins fossiles du Boulonnais
By: par le Dr Vadet.
Edition: 2e éd.
Series: Mémoires de la Société académique du Boulonnais,; t. 1
Publisher: Société d'histoire naturelle du Boulonnais
Published: 1987
Place of publication: [Boulogne-sur-Mer]
Language: fre
Number of pages: 60
Subjects: Acrosalenia -- France -- Boulogne-sur-Mer Region.; Paleontology -- Jurassic.; Paleontology -- France -- Boulogne-sur-Mer Region.
Notes: Bibliography: p. 55-56.
Summary in English and French.