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โ‡ฑ (1993) International strategic minerals inventory summary report; niobium (columbium) and tantalum. Circular 930. US Geological Survey doi:10.3133/cir930m


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(1993) International strategic minerals inventory summary report; niobium (columbium) and tantalum. Circular 930. US Geological Survey doi:10.3133/cir930m

Reference TypeReport (issue)
TitleInternational strategic minerals inventory summary report; niobium (columbium) and tantalum
ReportCircular
Year1993
Issue<   930   >
PublisherUS Geological Survey
URL
Download URLhttps://pubs.usgs.gov/circ/1993/0930m/report.pdf
DOIdoi:10.3133/cir930mSearch in ResearchGate
Generate Citation Formats
Mindat Ref. ID12924573Long-form Identifiermindat:1:5:12924573:7
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Full Reference(1993) International strategic minerals inventory summary report; niobium (columbium) and tantalum. Circular 930. US Geological Survey doi:10.3133/cir930m
Plain Text(1993) International strategic minerals inventory summary report; niobium (columbium) and tantalum. Circular 930. US Geological Survey doi:10.3133/cir930m
InUS Geological Survey (1933 - 2021) Circular


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