1. Digital inclusion without social inclusion: The consumption of information and communication technologies (ICTs) within homeless subculture in Scotland;Bure;The Journal of Community Informatics,2005
2. Cabrera , P. Muñoz , M. Sánchez , R. 2008 Recuento nocturno de personas sin hogar en Madrid-Invierno
3. Eurostat 2012 Eurostat news release-171/212 http://epp.eurostat.ec.europa.eu/cache/ITY_PUBLIC/3-03122012-AP/EN/3-03122012-AP-EN.PDF
4. Mobile phone technology: A new paradigm for the prevention, treatment, and research of the non-sheltered “street” homeless?;Eyrich-Garg;Journal of Urban Health,2010