@inbook{van Tilburg1995,
author = {van Tilburg, T.G.},
title= {Delineation of the social network and differences in network size},
year = {1995},
editor = {Knipscheer, C.P.M.},
editor = {de Jon Gierveld, J.},
editor = {Tilburg, T.G.},
editor = {Dykstra, P.A.},
booktitle = {Living Arrangements and Social Networks of Older Adults},
address = {Amsterdam},
publisher = {VU University Press},
}