@misc{Perret_Jacques_Des,
 author={Perret, Jacques},
 address={[S. l.]},
 howpublished={online},
 publisher={[s.n.]},
 language={fre},
 language={lat},
 title={Des fortifications et artifices architecture et perspective / de Iaques Perret [...].},
 keywords={17 w., Kolekcje Piastowskie, architektura, miedzioryty, Bibliotheca Rudolphina},
}