Links
[1] https://soft.vub.ac.be/soft/members/lhoste
[2] https://soft.vub.ac.be/soft/biblio?f%5Bauthor%5D=84
[3] https://soft.vub.ac.be/~lhoste/dokuwiki/doku.php/publications/bibtex#criteria_challenges_and_opportunities_for_gesture_programming_languages