堀辺忠志
"Crack identification in a circular beam from frequency change using a genetic algorithm", T.Horibe, JASCOME, 211-220, 2004
"Crack identification in a Timoshenko Beam from Frequency Change using Genetic Algorithm", T.Horibe, INVERSE PROBLEMS IN ENGINEERING MECHANICS IV,ELSEVIER,221-228,2003
"Crack Identification in Elastically Supported Beam by Genetic Algorithm", T.Horibe,and N.Asano,INVERSE PROBREMS IN ENGINEERING MECHANICS III,ELSEVIER,161-166,2002