%0 Journal Article %T Collective Action as the Material Expression of Opinion‐Based Group Membership %A McGarty, Craig %A Bliuc, Ana‐Maria %A Thomas, Emma F. %A Bongiorno, Renata %J Journal of Social Issues %V 65 %N 4 %P 839-857 %@ 0022-4537 %D 2009-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve