@misc{,
 copyright={Modzelewski, Jarosław},
 copyright={Grzyb, Ryszard},
 copyright={Kowalewski, Paweł},
 copyright={Pawlak, Włodzimierz},
 copyright={Sobczyk, Marek},
 copyright={Woźniak, Ryszard},
 howpublished={online},
 type={application/pdf},
}