Lee, Y.-B., Kim, D.-W., Ahn, S., Oh, T.-S., Kim, H.-S., & Kim, Y.-C. (2014). Key-Hole Type Quadrupole Lens Test for Advanced Operation of a Microcolumn. Asian Journal of Chemistry, 26(5), 1417–1420. https://doi.org/10.14233/ajchem.2014.17246