TY  - RPRT
TI  - Geology and resources of titanium
AU  - E. R. Force
AU  - M.C. Blake
AU  - B. A. Morgan
AU  - Norman Herz
PY  - 1976
DO  - 10.3133/pp959af
UR  - https://pubs.usgs.gov/publication/pp959AF
ID  - pp959AF
ER  -