De mangaanafzettingen van het Gruyana Schild
By: Jan Fokke Holtrop
Contributors: Technische Hogeschool Delft
Publisher: [s.n.]
Published: 1962
Place of publication: [s.l.]
Language: dut
Number of pages: 514
Subjects: Manganese ores; Geology
Notes: Vita.

Summary also in English.

Thesis (doctoral)--Technische Hoogeschool, Delft.

Includes bibliographical references (p. 484-495)