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| Utgitt
| Newcastle : North East Coast Institution of Engineers and Shipbuilders , 1933
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| Omfang
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| Opplysninger
| "A paper read before the North East Coast Institution of Engineers and Shipbuilders in Newcastel-upon-Tyne on the 9th December, 1932.". - Også utgitt: London : E. & F.N. Spon
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