"study number","owner","title","investigators","doi","time period"
"02032","ICPSR","Center for Research on Social Reality [Spain] Survey, March 1994: Attitudes Toward Immigrants","Centro de Investigaciones Sobre la Realidad Social (CIRES)","http://dx.doi.org/10.3886/ICPSR02032.v1","1994"
"06967","ICPSR","Center for Research on Social Reality [Spain] Survey, March 1995: Attitudes Toward Immigrants","Centro de Investigaciones Sobre la Realidad Social (CIRES)","http://dx.doi.org/10.3886/ICPSR06967.v1","1995"