@misc{Łoyko_Feliks_(1717-1779)_Kruszce,
 author={Łoyko, Feliks (1717-1779)},
 address={Polska},
 howpublished={online},
 language={pol},
 title={Kruszce 1647-1648. T.2, Rationes cuniculi Ponicoviensis montium Ilkussien annorum 1647 et 1648 (originale)},
 type={rękopis},
}