Alex. L. du Toit memorial lectures.
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| Format: | Serial |
| Language: | English |
| Published: |
Johannesburg.
[publisher not identified] ;
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| Subjects: |
| Published: | no. 1- [1950- |
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| Item Description: | Nos. 4, 5, 7, bound with the society's Proceedings (QE1.G4884) |
| Physical Description: | volumes : illustrations ; 23 cm. biennial. |
| Related Items: | Issued as Annexures to Geological Society of South Africa. Transactions. |