@book{Tanioka2007, author = {Tanioka, I. and Iwai, N. and Nitta, M. and Sato, H.}, title= {Japanese General Social Survey 2002}, year = {2007}, doi = {10.3886/ICPSR04214.v2}, address = {Ann Arbor}, publisher = {Inter-University Consortium for Political and Social Research}, }