Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masahide Yamaguchi and Tomo Takahashi,Effects of cosmic strings on free streaming,Physical Review D,1550-7998,American Physical Society (APS),2006-09-15,74,,,https://cir.nii.ac.jp/crid/1870865117622749568,https://doi.org/10.1103/physrevd.74.063512