@book{Phelps, author = {Phelps, E. S.}, title = {Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975.}, language = {en} } @article{Phelps, author = {Phelps, E. S.}, title = {The Indeterminacy of Game-Equilibrium Growth in the Absence of an Ethic}, series = {Phelps, E. S. (Ed.): Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975, pp. 87-106.}, journal = {Phelps, E. S. (Ed.): Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975, pp. 87-106.}, language = {en} }