"伊藤洋,大塚勇,青木智幸,大町達夫","地山とボルトの付着特性に着目した長尺鏡止めボルトによる地山補強効果の評価",,"土木学会論文集C","土木学会","Vol. 62","No. 1","pp. 116-126",2006,Apr.
"大塚勇,青木智幸,大町達夫,伊藤 洋","長尺鏡止めボルトによる地表面沈下の抑制効果に関する解析的検討",,"土木学会論文集C","土木学会","Vol. 62","No. 1","pp. 151-156",2006,Apr.