@misc{Lengnich_Gottfried_(1689-1774)_Tractatus,
 author={Lengnich, Gottfried (1689-1774)},
 howpublished={online},
 publisher={Schreiber, Thomas Johannes (1699-1778). Druk.},
 language={lat},
 type={stary druk},
 title={Tractatus Portorii Gedanensis Cum Notis Editi MDCCLXII},
 keywords={akcesja},
}