Griffiths, Paul E. What emotions really are : the problem of psychological categories / Paul E. Griffiths. - Chicago (IL) [etc.] : University of Chicago Press, 1997 - 286 p. ; 24 cm - Science and its conceptual foundations . - Science and its conceptual foundations . Bibliografia i index ISBN: 0226308715 Standard No.: 0000830830 Subjects--Topical Terms: Emociones y sentimientos Universal Decimal Class. No.: 159.93/.94