"吉川 直志,伊藤 昇,大塚 敬三,町田文孝,三木千壽","Uリブを用いた鋼床版の疲労損傷事例",,"第57回土木学会年次講演概要集","土木学会","Vol. 1","No. 277",,2002,Sept.
"中西,伊藤昇,岡田 道明,大塚敬三,三木千壽","鋼製円柱橋脚と矩形横梁との溶接部に生じた亀裂について",,"第57回土木学会年次講演概要集","土木学会","Vol. 1","No. 283",,2002,Sept.