00428pab a2200133 454500008004000000100002300040245011300063260000900176300001400185362000800199650003100207650002200238773003400260180718b2002   xxu||||| |||| 00| 0 eng d  aGreene, Kenneth F.  aOpposition party strategy and spatial competition in dominant party regimes: a theory and the case of Mexico  c2002  ap.755-83.  aSep  aPolitical parties - Mexico  aPolitical parties  aComparative Political Studies