"id","author_first1","author_last1","title","year","publication","volume","issue","pages","keyword0","keyword1","keyword2","keyword3","keyword4","type" "257","Raimo","Vayrynen","Bipolarity, Multipolarity, and Domestic Political Systems","1995","Journal of Peace Research","32","Aug.","361-371","International Relations","Political System","Research","State","Transnationalization","journal"