"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","keyword1","type" "824","Michael","Adams","One Yemen or two?","1986","Arabia and the Gulf: From traditional Society to Modern States","I.R.","Netton","Croom Helm","London","120-31","Problems","Unification","chapter"