@book{563055,
	author = {Morgan, D. and et al.},
	title = {Revisiting loneliness: Individual and country-level changes. En: Social exclusion in later life: Interdisciplinary and policy perspectives},
	publisher = {Springer},
	year = {2021},
	address = {Nueva York},
	url = {https://www.siis.net/documentos/ficha/562644.pdf}
}