Bailey, J.; et al. (1977). "Measurements of relativistic time dilatation for positive and negative muons in a circular orbit". Nature. 268 (5618): 301. Bibcode:1977Natur.268..301B. doi:10.1038/268301a0.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
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Bailey, J.; et al. (1977). "Measurements of relativistic time dilatation for positive and negative muons in a circular orbit". Nature. 268 (5618): 301. Bibcode:1977Natur.268..301B. doi:10.1038/268301a0.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)