"Mathematisch-naturwissenschaftliche Classe Nr. 6." Includes bibliographical references.
Authors
- Format
- Language material Electronic resource
- Pages
- 89 p., [4] leaves of plates : 28 cm.
- Place Discussed
- South Africa
- Provider
- HathiTrust
- Published in
- South Africa
- Reference
- sdr-coo2788083; (OCoLC)17372159; Hathi: 009172904
- Rights
- Public domain only when viewed in the US. Learn more at http://www.hathitrust.org/access_use
- Source
- Digital Public Library of America https://dp.la/item/1702b6939a8c8f71c04c2ce3d8afa3f0