%0 Journal Article %T The Relative Permeability of Class Boundaries to Cross-Class Friendships: A Comparative Study of the United States, Canada, Sweden, and Norway %A Wright, Erik Olin %A Cho, Donmoon %A , %J American Sociological Review %V 57 %N 1 %P 85 %@ 0003-1224 %D 1992-02-01 %I SAGE Publications %~ DeepDyve