@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 Jong Gierveld, J.},
editor = {Van Tilburg, T.G.},
editor = {Dykstra, P.A.},
booktitle = {Living arrangements and social networks of older adults},
address = {Amsterdam},
publisher = {VU University Press},
pages = {83−96},
}