"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","type" "1013","Christian","Robin","The mine of ar-Rara: Al-Hamdani and the silver of Yemen","1987","Yemen: 3000 Years of Art and Civilisation in Arabia Felix","Werner","Daum","Pinguin-Verlag","Innsbruck","123-24","chapter"