Jasanoff, Jay2009-12-081991Jasanoff, Jay H. 1991. The origin of the Celtic comparative type OIr tressa, MW trech 'stronger'. Die Sprache 34: 171-189.0376-401Xhttp://nrs.harvard.edu/urn-3:HUL.InstRepos:3442734en-USThe Origin of the Celtic Comparative Type OIr Tressa, MW Trech 'Stronger'Journal Article