00378pab a2200133 454500008004000000100003500040245006600075260000900141300001200150362000900162650002900171700000600200773003800206180718b1987   xxu||||| |||| 00| 0 eng d  aSalisbury, Robert H. and other  aWho works with whom?bInterest group alliances and opposition  c1987  a1217-34  aDec.  aPressure Groups - U.S.A.  as  aAmerican Political Science Review