@misc{_Jura,
 howpublished={online},
 publisher={Kross, Ulryk (fl. 1725-1732)},
 language={lat},
 type={stary druk},
 title={Jura Fundamentalia Terrarum Prussiæ Uná cum Paĉto Feudi Distriĉtuum Leoburgensis & Bythoviensis, cæterisque eosdem Distriĉtus concernentibus monumentis.},
}