"id","author_first1","author_last1","title","year","publication","volume","issue","pages","keyword0","keyword1","keyword2","keyword3","keyword4","keyword5","keyword6","type"
"1500","Thomas","Koszinowski","The Yemen Arab Republic and the People's Democratic Republic of Yemen","1980","Lo Spettatore Internazionale","15","4","285-302","Ibrahim","Ismail","National Liberation Front","Tribes","Unification","YAR","Yemeni Socialist Party","journal"