Foraminifera from the middle Eocene in the southern part of the Netherlands province of Limburg
Series: Mededeelingen van de Geologische Stichting, ser. C, 5 -- no. 4
Publisher: Druk "E. van Aelst,"
Published: 1946
Place of publication: Maastricht
Language: eng
Number of pages: 144
Subjects: Fossil Foraminifera; Paleontology
Notes: "Samenvatting" p. 123-126.

Folded table and "Stellingen" ([2] p.) inserted.

Proefschrift--Utrecht.

"Literature" : p. 127-136.