APA
Quarrell A G, Comfrence on niobium tantalum m. a. t. (. . U. o. s., . (1961). Report on nibbium, tantalum, malybedenum and tumgstem. : .
Chicago
Quarrell A G, Comfrence on niobium tantalum malybdeum and tungstem (1960 Universuty of sheffield), . 1961. Report on nibbium, tantalum, malybedenum and tumgstem. : .
Harvard
Quarrell A G, Comfrence on niobium tantalum m. a. t. (. . U. o. s., . (1961). Report on nibbium, tantalum, malybedenum and tumgstem. : .
MLA
Quarrell A G, Comfrence on niobium tantalum malybdeum and tungstem (1960 Universuty of sheffield), . Report on nibbium, tantalum, malybedenum and tumgstem. : . 1961.
