Гапон , Н. Я., and О. Б. Зайченко. “Signal Flow Graphs As Mathematical Apparatus for Describing 3D Printing Filament Defects”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 96 (June 30, 2024): 42-49. Accessed July 3, 2024. https://radap.kpi.ua/radiotechnique/article/view/1980.