Letcher, J. S. (2009). The geometry of ships. Jersey City: Society of Naval Architects and Marine Engineers.
Παραπομπή Chicago StyleLetcher, John S. The Geometry of Ships. Jersey City: Society of Naval Architects and Marine Engineers, 2009.
Παραπομπή MLALetcher, John S. The Geometry of Ships. Jersey City: Society of Naval Architects and Marine Engineers, 2009.
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