TY  - BOOK
AU  - Litherland, M
TI  - Geology and mineral resources of the Bolivian Precambrian shield
T2  - Overseas memoir
PY  - 1986///
CY  - London: 
PB  - H.M.S.O., 
KW  - Precambrian geologic period
KW  - Geology
ER  -