небо?ша ?оки?
I. Mijatović, N. Djokić, Gradska i opsadna artiljerija vojske Knezevine i Kraljevine Srbije - Ivan Mijatović, Nebojša Đokić, GARRISON AND SIEGE ARTILLERY OF THE ARMY OF PRINCIPALITY AND KINGDOM OF SERBIA, Vesnik vojnog muzeja 39, Beograd 2012, 101 - 120
https://www.academia.edu/43428..._39_Beograd_201 2_101_-_120