"http://www.iso.org/iso/catalogue_detail?csnumber=31895"^^ . "\"Mean Mass Range\" is the mean linear range multiplied by the mass density of the material." . "Mean Mass Range"@en . "http://goldbook.iupac.org/M03783.html"^^ . . . "\\(R_\\rho = R\\rho\\), where \\(R\\) is the mean linear range and \\(\\rho\\) is the mass density of the sample."^^ . . "\\(R_\\rho\\)"^^ . . .