Social support : theory, research and applications / (proceedings of the NATO Advanced Research Workshop on Social Support, Theory, Research and Applications, Chateau de Bonas, France, September 19-23, 1983) ; edited by Irwin G. Sarason, Barbara R. Sarason. - Sarason, Irwin G. (Irwin Gerald); Sarason, Barbara R. (NATO advanced study institutes series. Series D, Behavioural and social sciences, 1985)