@misc{Krüger_Piotr_Praxis,
 author={Krüger Piotr},
 copyright={PAN Biblioteka Kórnicka},
 howpublished={online},
 publisher={Apud Andream Hünefeldt},
 language={lat},
 type={podręcznik},
 type={tablice},
 type={starodruki},
 title={Praxis Trigonometriae Logarithmicae cum Logarithmorum Tabulis ad Trangula tam Plena quam Sphaerica sufficientibus. Ad commodiorem usum praeceptis brevitur et perspicuis hoc Manuali comprehense M. Petro Crügero Reip. Dantiscanae Mathematico},
 keywords={matematyka, trygonometra, tablice matematyczne},
}