| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Tectonic evolution of the Waldau Ridge structure and the Okahandja lineament in part of the Central Damara Orogen, west of Okahandja, South West ... Chamber of Mines Precambrian Research Unit) | 978-O-7992-O212-O (O-7992-O212-6) | 1977 |