Mentzelopoulos, M., J. Ferguson, and A. Protopsaltis. “Perceptual User Interface Framework for Immersive Information Retrieval Environments (An Experimental Framework for Testing and Rapid Iteration)”. International Journal of Interactive Mobile Technologies (iJIM), vol. 10, no. 2, Apr. 2016, pp. pp. 64-71, doi:10.3991/ijim.v10i2.5643.