"id","author_first1","author_last1","title","year","publication","volume","issue","pages","keyword0","keyword1","keyword2","type" "1502","Thomas","Koszinowski","Stammesinteressen und Zentralgewalt im Jemen. Al-amdîs Politik in den Jahren 1974 bis 1977","1978","Orient","19","2","64-87","Al-amdi","Ibrahim","Tribes","journal"