@misc{Wełnicki_Wiesław_Mechanika,
 author={Wełnicki, Wiesław},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Gdańsk University of Technology},
 language={pol},
 title={Mechanika ruchu okrętu},
 type={book},
 keywords={hydromechanics, ships, handbooks},
}