The photogrammetric model was created for the needs of *The Conservation Study of Knjaževac Building Heritage* done by the Institute for the Cultural Heritage Preservation Niš under the leadership of architect Ivana Cvetković and historian Đorđe Stošić, and art historian Milena Milošević Micić. Photogrammetric model is made by the architect Aleksandar Nikšić.
model made by: https://sketchfab.com/nixic.alexandar