@book{560033,
	author = {Glaser, K. and et al.},
	title = {Trends in the prevalence of grandparents living with grandchild(ren) in selected European countries and the United States},
	url = {\\Srvdatos\siis\docus\Revistas electrónicas\European Journal of Ageing R.1860\2018\Trends in the prevalence of grandparents.pdf}
}