E-Scribe: Ubiquitous Real-Time Speech Transcription for the Hearing-Impaired. - Zdenek Bumbalek; Jan Zelenka; Lukas Kencl (ICCHP (2), 2010)

Cloud-Based Assistive Speech-Transcription Services. - Zdenek Bumbalek; Jan Zelenka; Lukas Kencl (ICCHP (2), 2012)

Ensuring Sustainable Development of Simultaneous Online Transcription Services for People with Hearing Impairment in the Czech Republic. - Zdenek Bumbalek; Jan Zelenka (ICCHP (2), 2014)