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British steam tugs | Bok | q629.124.2(41) T Thomas, P.N. / - Wolverhampton : Waine Research, 1991. - 222 s. - Språk: Engelsk | Thomas, P.N. | 1991 |
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British tugs (including ocean tugs based on nearer continental ports | Bok | s629.12(083.8)(41) C Chesterton, D. Ridley / - London : Ian Allan, 1965. - 39 s. - Språk: Engelsk | Chesterton, D. Ridley | 1965 |
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Buonoparte : The World's First Steam Tug | Analytt | 629.12(086.5):62.002(05) M Clark, Basil / I: Model Shipwright. - No.111, 2000 - London, 2000. - s.10-16 | Clark, Basil | 2000 |
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The ship handling tugs of London | Analytt | q386(05) S Dunn, Laurence / I: Ships Monthly. - Vol.36, No.2, 2001 - Burton-on-Trent, 2001. - s.23-25 | Dunn, Laurence | 2001 |