深層地理学
5 ways to champion vulnerable languages
The United Nations General Assembly has proclaimed 2019 as the International Year of Indigenous Languages. In doing this, it says, it wants to acknowledge that
1980 Dr.phil.habil. (Habilitation: elegibility for full professorship; Hamburg University)
1983-1994 Professor of African linguistics (Hamburg University)
1994-2009 Full Professor & Chair of African linguistics (Leipzig University)