(EN) Xing Liu, Tianyu Chen, Feng Qian, Zhixiu Guo, Felix Xiaozhu Lin, Xiaofeng Wang e Kai Chen, Characterizing Smartwatch Usage in the Wild, in Proceedings of the 15th Annual International Conference on Mobile Systems, Applications, and Services, MobiSys '17, Niagara Falls, NY, ACM, 16 giugno 2017, pp. 385–398, DOI:10.1145/3081333.3081351, ISBN978-1-4503-4928-4.
(EN) Xing Liu, Tianyu Chen, Feng Qian, Zhixiu Guo, Felix Xiaozhu Lin, Xiaofeng Wang e Kai Chen, Characterizing Smartwatch Usage in the Wild, in Proceedings of the 15th Annual International Conference on Mobile Systems, Applications, and Services, MobiSys '17, Niagara Falls, NY, ACM, 16 giugno 2017, pp. 385–398, DOI:10.1145/3081333.3081351, ISBN978-1-4503-4928-4.
Düking P, Hotho A, Holmberg HC, Fuss FK, Sperlich B. Comparison of Non-Invasive Individual Monitoring of the Training and Health of Athletes with Commercially Available Wearable Technologies. Frontiers in physiology. 2016;7:71. PMID27014077. DOI: 10.3389/fphys.2016.00071
Düking P, Hotho A, Holmberg HC, Fuss FK, Sperlich B. Comparison of Non-Invasive Individual Monitoring of the Training and Health of Athletes with Commercially Available Wearable Technologies. Frontiers in physiology. 2016;7:71. PMID27014077. DOI: 10.3389/fphys.2016.00071