@misc{_Bulletin,
 address={Wilno},
 howpublished={online},
 publisher={Uniwersytet Stefana Batorego w Wilnie},
 language={ger},
 language={pol},
 language={eng},
 type={czasopismo},
 title={Bulletin de l'Observatoire Astronomique de Wiln. 1 Astronomie.},
 keywords={astronomia},
}