University of British Columbia, 1866 Main Mall, Buchanan C227 Vancouver, Canada
Graham C. Braun
University of Cincinnati, Carl Blegen Library, 2602 University Cir, Cincinnati, OH 45221, USA
David Ivanov
Virtual and Augmented Reality Lab, Research and Development and Innovation Consortium (Sofia Tech Park), 111, Tsarigradskoshose blvd, Laboratory Complex, 1784 Sofia, Bulgaria