000 00368pab a2200145 454500
008 180718b1990 xxu||||| |||| 00| 0 eng d
100 _aLane, Ruth
245 _aConcrete theory
_bAn emerging political method
260 _c1990
300 _a927-40
362 _aSept.
650 _aPolitical Science
773 _aAmerican Political Science Review
909 _a15621
999 _c15621
_d15621