TY  - BOOK
AU  - 
AU  - Von Backström,J.W.
TI  - The sillimanite deposits in Namaqualand near Pofadder,
T2  - Geological Survey (South Africa). Bulletin
AV  - QE325 .A53 no. 33
PY  - 1961///
CY  - Pretoria
PB  - Govt. Printer
KW  - Sillimanite
KW  - Ore deposits
KW  - South Africa
KW  - Namaqualand
N1  - Summary in Afrikaans; Bibliography: p. 49
ER  -