The main characteristics of SiGe HBTs at low temperatures. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 66, p. 87–96, 2016. DOI: 10.20535/RADAP.2016.66.87-96. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/1340. Acesso em: 13 mar. 2025.