@misc{Lacman_Samuel_Observationes,
 author={Lacman, Samuel},
 howpublished={online},
 publisher={Wdowa po Johanie Höjerze},
 language={lat},
 title={Observationes De Decrementis Aquarum In Sinu Botnico},
 type={starodruk},
 keywords={starodruki 18 w.},
}