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Fergetransport over Glomma : Blakersund ca 1900 - 1927 | Analytt | 62(091) V Rogan, Bjarne / I: Volund 1982. - Oslo, 1982. - S.7-24 | Rogan, Bjarne | 1982 |
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Fergetransport over Glomma : Blakersund ca. 1900-1927 | Analytt | 656.2(058) T Rogan, Bjarne / I: Tertitten. Årbok. , 1999 - Oslo, 1999. - s.21-45 | Rogan, Bjarne | 1999 |