@misc{Dera_Jerzy_(1933-_)._Problemy,
 author={Dera, Jerzy (1933- ).},
 howpublished={online},
 publisher={UMCS},
 language={pol},
 type={artykuł},
 title={Problemy fizyki morza = Problemy fiziki morâ = Problems in marine physics},
 keywords={fizyka},
}