TY  - RPRT
TI  - International strategic minerals inventory summary report; titanium
AU  - R.R. Towner
AU  - J.M. Gray
AU  - L.M. Porter
PY  - 1988
DO  - 10.3133/cir930g
UR  - https://pubs.usgs.gov/publication/cir930G
ID  - cir930G
ER  -