Não informado. (2001). Scientific results. Norwegian North Polar Expedition With the Maud.
Citace podle Chicago (17th ed.)Não informado. Scientific Results. Bergen, Noruega: Norwegian North Polar Expedition With the Maud, 2001.
Citace podle MLA (8th ed.)Não informado. Scientific Results. Norwegian North Polar Expedition With the Maud, 2001.
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