Assertion: electron's value | /r/HasProperty | cited by f. g. cao
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Source sentences:
text: Taking the heaviest three quarks, charm (1.275 ± 0.03 GeV), bottom (4.180 ± 0.04 GeV) and top (173.0 ± 0.40 GeV), and without using their uncertainties gives the value cited by F. G. Cao (2012),