Old Theories, New Technologies: Cumulative Clutter Effects Using Augmented Reality. - Alex W. Stedmon; Roy Kalawsky; K. Hill; C. A. Cook (IV, 1999)

Experimental research into human cognitive processing in an augmented reality environment for embedded training systems. - Roy Kalawsky; K. Hill; Alex W. Stedmon; C. A. Cook; A. Young (Virtual Real., 2000)