World Health Organization. (2004). Concise International chemical Assessment Document; As Phalt (Bitumen). IOMS.
Chicago-čujuhus (17. p.)World Health Organization. Concise International Chemical Assessment Document; As Phalt (Bitumen). Ginebra: IOMS, 2004.
MLA-čujuhus (9. p.)World Health Organization. Concise International Chemical Assessment Document; As Phalt (Bitumen). IOMS, 2004.
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