00319nam a2200121Ia 450000500170000008000180001710000220003524500580005725000120011526000340012730000170016158300190017820260716043544.0  a12.09.01 F939  aFrost, Michael J.  aHow to use cost benefit analysis in project appraisal  a2nd ed.  bGower P.aFarnboroughGBc1975  axiii, 202 p.  c12/10/04kJOYD