Intertwining Graphonomics with Human Movements: 20th International Conference of the International Graphonomics Society, IGS 2021, Las Palmas de Gran … (Lecture Notes in Computer Science) Cristina Carmona-Duarte (editor), Moises Diaz (editor), Miguel A. Ferrer (editor), Aythami Morales (editor) 3031197445,9783031197444