00521nam a22001697a 450000500170000000800410001702000150005804100080007308200170008110000180009824500550011626000370017130000160020894200070022499900170023195201030024820260710155509.0260710b        |||||||| |||| 00| 0 eng d  a0198246366  aeng  a171.5bREG/U  aRegan, Donald  aUtilitarianism and Co-operationc/ by Donald Regan  aOxford:bClarendon Press,c1980.  axiv, 279p.;  cBK  c48668d48668  001040708NFICaPBBCLbPBBCLcREFd2026-07-10l0o171.5 REG/Up60380r2026-07-10w2026-07-10yBK