?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Sikk&rft.au=Sikk%2C+A&rft.aufirst=A&rft.date=December+2015&rft.atitle=Estonia&rft.volume=54&rft.title=European+Journal+of+Political+Research+Political+Data+Yearbook&rft.issn=2047-8844&rft.pages=94-100&rft.issue=1&rft.genre=article