Chul Kim1, Young, Ho Seob Kim2, Jun Oh Park3, and Won Kweon Jang3. “Fabrication and Characterization of a Low Voltage Micro-Electron Column for Scan Field Size and Magnification”. Asian Journal of Chemistry 23, no. 5 (January 31, 2011): 2303–2305. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/10321.