@misc{Stopford_Philip_James_(1872-1952)_Cordage,
 author={Stopford, Philip James (1872-1952)},
 howpublished={online},
 publisher={Brown, Son & Ferguson, Ltd.},
 language={eng},
 title={Cordage and cables : their uses at sea},
 keywords={węzły żeglarskie, kotwice},
}