Vyroubal, P., Maxa, J., Neděla, V., Jirák, J., & Hladká, K. (2022). Apertures with Laval Nozzle and Circular Orifice in Secondary Electron Detector for Environmental Scanning Electron Microscope. Advances in Military Technology, 8(1), 59-69. https://aimt.cz/index.php/aimt/article/view/1573