SpringerLink (Online service), Möller, P., Černý, P., & Saupé, F. (1989). Lanthanides, tantalum, and niobium: Mineralogy, geochemistry, characteristics of primary ore deposits, prospecting, processing, and applications : proceedings of a workshop in Berlin, November 1986. Springer-Verlag.
Chicago Style (17th ed.) CitationSpringerLink (Online service), P. Möller, P. Černý, and Francis Saupé. Lanthanides, Tantalum, and Niobium: Mineralogy, Geochemistry, Characteristics of Primary Ore Deposits, Prospecting, Processing, and Applications : Proceedings of a Workshop in Berlin, November 1986. Berlin ; New York: Springer-Verlag, 1989.
MLA (9th ed.) CitationSpringerLink (Online service), et al. Lanthanides, Tantalum, and Niobium: Mineralogy, Geochemistry, Characteristics of Primary Ore Deposits, Prospecting, Processing, and Applications : Proceedings of a Workshop in Berlin, November 1986. Springer-Verlag, 1989.