Sources

Every source backing a fact on Telefonica's own page, deduplicated — the same source backing several facts appears once.

• https://dl.acm.org/action/showFmPdf?doi=10.1145%2F1851600 — https://dl.acm.org/action/showFmPdf?doi=10.1145%2F1851600
• https://dl.acm.org/action/showFmPdf?doi=10.1145%2F2037373 — https://dl.acm.org/action/showFmPdf?doi=10.1145%2F2037373
• https://dl.acm.org/action/showFmPdf?doi=10.1145%2F2371664 — https://dl.acm.org/action/showFmPdf?doi=10.1145%2F2371664
• https://dl.acm.org/action/showFmPdf?doi=10.1145%2F2786567 — https://dl.acm.org/action/showFmPdf?doi=10.1145%2F2786567
• https://dl.acm.org/doi/proceedings/10.1145/1409240 — https://dl.acm.org/doi/proceedings/10.1145/1409240
• https://dl.acm.org/doi/proceedings/10.1145/1851600 — https://dl.acm.org/doi/proceedings/10.1145/1851600
• https://dl.acm.org/doi/proceedings/10.1145/2037373 — https://dl.acm.org/doi/proceedings/10.1145/2037373
• https://dl.acm.org/doi/proceedings/10.1145/2371574 — https://dl.acm.org/doi/proceedings/10.1145/2371574
• https://dl.acm.org/doi/proceedings/10.1145/2493190 — https://dl.acm.org/doi/proceedings/10.1145/2493190
• https://dl.acm.org/doi/proceedings/10.1145/2785830 — https://dl.acm.org/doi/proceedings/10.1145/2785830
• https://dl.acm.org/doi/proceedings/10.1145/2935334 — https://dl.acm.org/doi/proceedings/10.1145/2935334
• https://dl.acm.org/doi/proceedings/10.1145/3098279 — https://dl.acm.org/doi/proceedings/10.1145/3098279
• https://dl.acm.org/doi/proceedings/10.1145/3229434 — https://dl.acm.org/doi/proceedings/10.1145/3229434
• https://dl.acm.org/doi/proceedings/10.1145/3338286 — https://dl.acm.org/doi/proceedings/10.1145/3338286
• https://github.com/sven-mayer/mobilehci-statistics — https://github.com/sven-mayer/mobilehci-statistics
• https://www.mobilehci2013.org/organization.php — https://www.mobilehci2013.org/organization.php