Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takeuchi Jo and Nishimura Kazuhiko and Matsushima Hideki and Mitsui Chizu and Inoue Yasuaki,Study on Spectral Shapes of K.ALPHA. Lines of Ammonium and Nitrate Nitrogen Using Electron Probe Microanalyzer and Molecular Orbital Calculation,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,2008,57,7,549-553,https://cir.nii.ac.jp/crid/1390282679331659520,https://doi.org/10.2116/bunsekikagaku.57.549