![](/img/cover-not-exists.png)
[ACM Press the SIGCHI Conference - Boston, MA, USA (2009.04.04-2009.04.09)] Proceedings of the 27th international conference on Human factors in computing systems - CHI 09 - Evaluating existing audio CAPTCHAs and an interface optimized for non-visual use
Bigham, Jeffrey P., Cavender, Anna C.Year:
2009
Language:
english
DOI:
10.1145/1518701.1518983
File:
PDF, 1.44 MB
english, 2009