"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","keyword1","keyword2","keyword3","keyword4","type"
"398","Alejandro","Portes","Immigration Theory of a New Century : Some Problems and Opportunities","1999","The Handbook of International Migration : The American Experience","Charles","Hirschman","Russell Sage Foundation","New York","n.a.","Immigration","International Migration","Migration","Political Transnationalism","Transnational Politics","chapter"