L. B. Christensen: RoboBraille – Automated Braille Translation by Means of an E-Mail Robot (2006) L. B. Christensen, S. J. Keegan and T. Stevns: A Model for Implementing Robobraille in a Higher Education Institution (2012) L. B. Christensen and T. Stevns: Biblus – A Digital Library to Support Integration of Visually Impaired in Mainstream Education L. B. Christensen: RoboBraille – Braille Unlimited (2009)