Não informado. Polish Scientific Periodicals. Polish Academy of Sciences, Documentation and Scientific Information Centre.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Polish Scientific Periodicals. Warsaw: Polish Academy of Sciences, Documentation and Scientific Information Centre.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Polish Scientific Periodicals. Polish Academy of Sciences, Documentation and Scientific Information Centre.
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