Konno Hiroaki 石黒吉次郎教授,大庭健教授,菊地健三教授,荒木敏夫教授,鐘ケ江晴彦教授退職記念号,神崎繁教授追悼号|Special issue in Honor of the Retirement of Professor ISHIGURO Kichijiro, Professor OHBA Takeshi, Professor KIKUCHI Kenzo, Professor ARAKI Toshio and Professor KANEGAE Haruhiko Memorial issue of Professor KANZAKI Shigeru