On the occurrence of rarer elements in the Netherlands East Indies
Subtitle: a spectrographic investigation in the range 3600-5000 A.
Publisher: Centen's Uitgevers-Maatschappij
Published: 1938
Place of publication: Amsterdam
Language: eng
Number of pages: 181
Subjects: Mineralogy
Notes: Thesis - Utrecht.  Ryksuniversiteit.

This dissertation appears also as the first of two publications of the series: "Contributions to the knowledge of the chemical composition of the earth's crust in the East Indian Archipelago".