Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IKEDA Kiyohiro and TORII Kunio,BIFURCATION BEHAVIOR OF AN OCTAGONAL TRUSS DOME WITH IMPERFECTIONS,Doboku Gakkai Ronbunshu,02897806,Japan Society of Civil Engineers,1987-04-20,1987,380,251-254,https://cir.nii.ac.jp/crid/1390282680577928448,https://doi.org/10.2208/jscej.1987.380_251