1. Sign language technologies and resources of the Dicta-Sign project;Efthimiou,2012
2. The SignSpeak project-bridging the gap between signers and speakers;Dreuw,2010
3. Spread The Sign, Online, Accessed: 2015-11-13.
4. The challenges of cross-modal translation: english-to-sign-language translation in the Zardoz system;Veale;Mach. Transl.,1998
5. Signsynth: a sign language synthesis application using Web3D and Perl;Grieve-Smith,2002