00310cam a22000977a 4500008004000000082001600040100002300056245007500079260005000154300000800204180718b1972   xxu||||| |||| 00| 0 eng d  aR647x42 Un3  aSinclair, T. Craig  aCost-effectiveness approach to industrial safetycby T. Craig Sinclair  aLondonbHer Majesty's Stationery Officec1972  a58p