Cite
MLA Citation
Aimilia Tasidou et al.. “Privacy-preserving, user-centric VoIP CAPTCHA challenges.” Information and computer security, vol. 24, 2016, pp. 2–19. http://access.bl.uk/ark:/81055/vdc_100032175897.0x00000b
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Aimilia Tasidou et al.. “Privacy-preserving, user-centric VoIP CAPTCHA challenges.” Information and computer security, vol. 24, 2016, pp. 2–19. http://access.bl.uk/ark:/81055/vdc_100032175897.0x00000b