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Heroic, forceful and fearless : Australia's tugboat heritage | Bok | q629.124.2 S Svensen, Randi / - Ultimo : Citrus, 2011. - 256 s. - Språk: Engelsk | Svensen, Randi | 2011 |
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Carrying the light : The Halvorsen mission boats | Analytt | q069.5(94)(05) S Svensen, Randi / I: Signals. - No. 79, 2007 - Sydney, 2007. - s. 8-13 - Språk: Engelsk | Svensen, Randi | 2007 |
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Wooden boats, iron men : the Halvorsen story | Bok | 629.12.011.21(94) S Svensen, Randi / - Sydney : Halstead Press, 2004. - XIII, 162 s. - Språk: Engelsk | Svensen, Randi | 2004 |