Sommerfeldt, H. A. (1861). Atlas to the elementary and practical principles of the Construction of ships. John Weale.
Citace podle Chicago (17th ed.)Sommerfeldt, Hakon A. Atlas to the Elementary and Practical Principles of the Construction of Ships. London: John Weale, 1861.
Citace podle MLA (9th ed.)Sommerfeldt, Hakon A. Atlas to the Elementary and Practical Principles of the Construction of Ships. John Weale, 1861.
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