Search Results Use the search box below to revise your search, or start a new search. Studies (1) Variables Publications Your query returned 1 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. South Korean Presidential Election Panel Study: Six Waves, 2007 (ICPSR 26661) East Asia Institute (South Korea); JoongAng llbo (South Korea); Seoul Broadcasting System (South Korea); et al.