Kaltsoyannis, N. (1999). The f elements. Univ. Pr.
Tohutoru Kātū Chicago (17th ed.)Kaltsoyannis, Nikolas. The F Elements. Oxford: Univ. Pr, 1999.
Tohutoro MLA (9th ed.)Kaltsoyannis, Nikolas. The F Elements. Univ. Pr, 1999.
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