http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
De tactu (De subtilitate tactus), On the difference in tactile sensibility.--Der Tastsinn, On the sense of touch and common sensibility.
with a pref. by J. D. Mollon and a historical introd. by the translators.
"The works of E. H. Weber": pages 15-16.
Tastsinn und Gemeingefuhl. English. 1978