Regan, Donald Utilitarianism and co-operation / Donald Regan - Oxford : Clarendon Press , 1980 - xiv, 279p. ; 22 cm. Includes bibliographical references and index. ISBN: 0198246099 0198246366 Subjects--Topical Terms: UtilitarianismCooperation Dewey Class. No.: 171.5 / REG