@misc{Zaręba_S._Spectrophotometric,
 author={Zaręba, S. and Zaręba-Giezek, M. M.},
 howpublished={online},
 publisher={UMCS},
 language={eng},
 type={artykuł},
 title={Spectrophotometric determination of the Fe (II) in pharmaceutical preparations using heterodiazophenoles},
 keywords={chemia},
}