TY  - BOOK
AU  - Kupferbürger,Wilhelm
TI  - Corundum in the Union of South Africa,
T2  - South Africa. [Geological survey] Geological series. Bulletin
AV  - QE325 .A53 no. 6
PY  - 1935///
CY  - Pretoria
PB  - The Government Printer
KW  - Corundum
KW  - Mines and mineral resources
KW  - South Africa
N1  - At head of title:  Union of South Africa. Department of Mines; Bibliography: p. 65
ER  -