00329nam a22001217a 450000500170000000800410001702000180005808200150007610000190009124500490011026000340015930000140019320260618142631.0260618b        |||||||| |||| 00| 0 eng d  a9780195211740  a363.17 HAH  aHahn,Robert W.  aRisks, costs and Lives savedcRobert W. Hahn  aOxford University press, 1996  a267 pages