000 00407pab a2200157 454500
008 180718b1997 xxu||||| |||| 00| 0 eng d
100 _aDunn, William N.
245 _aProbing the boundaries of ignorance in policy analysis
260 _c1997
300 _ap.277-98
362 _aJan
650 _aProblem solving
650 _aPublic policy
773 _aAmerican Behavioral Scientist
909 _a37019
999 _c37019
_d37019