@inbook{Dench1999,
author = {Dench, G. and Ogg, J. and Thompson, K.},
title= {The role of grandparents},
year = {1999},
editor = {Jowell, R.},
editor = {Curtice, J.},
editor = {Park, I.},
editor = {Thompson, K.},
booktitle = {British Social Attitudes Survey: The 16th Report},
address = {Ashgate},
publisher = {Aldershot},
pages = {135--156},
}