Gerhardsson, Lars, Lage Burström, Mats Hagberg, Ronnie Lundström, and Tohr Nilsson. 2011. “Neurophysiology Symptoms and Vibration Perception Thresholds in Young Vibration-Exposed Workers - A Follow-up Study”. Canadian Acoustics 39 (2):16-17. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2335.