@misc{Sagner_Kaspar_(1721-1781)_Institutiones,
 author={Sagner, Kaspar (1721-1781)},
 address={Pragae},
 howpublished={online},
 publisher={Typis Academicis},
 language={lat},
 type={książka},
 title={Institutiones Philosophicae Ex Probatis Veterum, Recentiorumque Sententiis Adornatae In Usum Suorum Dominorum Auditorum. Tractatus 1. Seu Logica},
}