World Health Organization. (2001). Concise International chemical Assessment Document; Barium and Barium Compounds. IOMS.
Chicago-čujuhus (17. p.)World Health Organization. Concise International Chemical Assessment Document; Barium and Barium Compounds. Ginebra: IOMS, 2001.
MLA-čujuhus (9. p.)World Health Organization. Concise International Chemical Assessment Document; Barium and Barium Compounds. IOMS, 2001.
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