Não informado. (2008). Collection of Czechoslovak Chemical Communications. Czechoslovak Academy of Sciences.
Chicago-referens (17:e uppl.)Não informado. Collection of Czechoslovak Chemical Communications. Praha: Czechoslovak Academy of Sciences, 2008.
MLA-referens (8:e uppl.)Não informado. Collection of Czechoslovak Chemical Communications. Czechoslovak Academy of Sciences, 2008.
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