@misc{_Explanatory,
 howpublished={online},
 publisher={Polski Rejestr Statków},
 language={eng},
 type={e-książka},
 title={Explanatory notes to the standards for ship manoeuvrability 2008},
 keywords={normy, manewry (żegluga), statki, informator, inżynieria i technika, prawo},
}