00274pab a2200109 454500008004000000100001800040245004300058260000900101300001100110650002300121773002000144180718b1987   xxu||||| |||| 00| 0 eng d  aGrafton, Carl  aPublic policy for dangerous inventions  c1987  a207-34  aDisasters - U.S.A.  aPolicy Sciences