00307pab a2200121 454500008004000000100002200040245004700062260000900109300001000118362001000128650002700138773002000165180718b1983   xxu||||| |||| 00| 0 eng d  aMead, Lawrence M.  aThe interaction problem in policy analysis  c1983  a45-66  aSept.  aPublic Policy - U.S.A.  aPolicy Sciences