2018 (2011 (2011 (2011 (2011 1200 (2011 (2016 (2004 -34 7 ...kounin-jishin.ees.st.gunma-u.ac.jp/PDF_forHP/panel09.pdf2018 (2011 (2011 (2011 (2011 1200 (2011 (2016 (2004 -34 7 34 Y