@misc{Polski_Rejestr_Statków_Periodic,
 author={Polski Rejestr Statków},
 howpublished={online},
 publisher={Polski Rejestr Statków},
 language={eng},
 title={Periodic surveys of fuel installations on ships other than liquefied gas carriers utilizing gas or other low flash point fuels : 2019 January},
 type={e-książka},
 keywords={kontrola techniczna, maszyny okrętowe},
}