TY  - BOOK
AU  - Sohnge, P.G.
AU  - Sohnge, P.G. Lowe,C. Van Riet.
TI  - Geology And Archaeology Of Vaal River Basin
U1  - Hv63 
PY  - 1937///
CY  - Pretoria
PB  - Minister Of Mines
KW  - Hv63
ER  -