Title: Essays on reciprocity.
Authors: Vries, Egbert de, 1901-
Publisher: Mouton,
Year: 1968
Subjects: Interpersonal relations; Reciprocity (Psychology)
Contents: Explorations into reciprocity, by E. de Vries.--Notes for a philosophy of reciprocity, by C. A. van Peursen.--Reciprocity as a social sciences concept, by C. A. O. van Nieuwenhuijze.