06. Jaschinski W. (2002). “The proximity-Fixation-Disparity curve and the preferred viewing distance at a visual display as an indicator of near vision fatigue”. Optometry and Vision Science; Vol. 79, No. 3, pp158-169

06. Jaschinski W. (2002). “The proximity-Fixation-Disparity curve and the preferred viewing distance at a visual display as an indicator of near vision fatigue”. Optometry and Vision Science; Vol. 79, No. 3, pp158-169