"id","author_first1","author_last1","title","year","publisher","place","keyword0","keyword1","keyword2","keyword3","keyword4","keyword5","keyword6","type" "704","H.F.E.","Dequin","Arabische Republik Jemen: Wirschaftsgeographie eines Entwicklungslandes","1976","n.p.","Riyadh","Coffee","Geography","Infrastructure","Planning","Products","Qat","YAR","book"