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	1.	Pegmatitos ambligonita, berilo, tantalíferos do Ceará, nordeste do Brasil, por W.D. Johnston, jr. by Johnston, William Drumm, 1899- Bourdot Dutra, Eugenio [ed. and tr.] Series: Brazil. Departamento nacional da produção mineral. Divisão de fomento da produção mineral. Avulso ; 66 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rio de Janeiro, 1945 Availability: No items available. Add to cart (remove)
	2.	Tantalum and niobium, by Keith R. Miles, Dorothy Carroll and H. P. Rowledge. by Miles, Keith Rodney Carroll, Dorothy, 1907-1970 [joint author.] Rowledge, H. P [joint author.] Series: Western Australia. Bulletin ; no. 3. \| Mineral resources of Western Australia bulletin ; no. 3. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Perth, R.H. Miller, govt. printer, 1945 Availability: No items available. Add to cart (remove)
	3.	Geochemistry of niobium and tantalum, by Raymond L. Parker and Michael Fleischer. by Parker, Raymond L. (Raymond Laurence) Fleischer, Michael, 1908- [joint author.] Series: Geological Survey professional paper ; 612. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. Print. Off., 1968 Availability: No items available. Add to cart (remove)

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