Não informado. (1969). Bimonthly review of scientific publications. Zaklad Naradowy Imienia Ossolinskich.
Chicago-viite (17. p.)Não informado. Bimonthly Review of Scientific Publications. Warsaw: Zaklad Naradowy Imienia Ossolinskich, 1969.
MLA-viite (8. p.)Não informado. Bimonthly Review of Scientific Publications. Zaklad Naradowy Imienia Ossolinskich, 1969.
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