@inbook{Lubben2003,
author = {Lubben, J.E. and Gironda, M.},
title= {Centrality of social ties to the health and well-being of older adults},
year = {2003},
editor = {Berkman, B. },
booktitle = {Social work and health care in an aging society: Education, policy, practice, and research},
address = {Heidelberg},
publisher = {Springer},
}