De La Croix, Daniel Vaucher, and Erik Aflalo. “Nose Conedevice and Built-in Calibration Check As Essenti Al Features of a Standalone Instrument for Unattended Mid- And Long-Term Noise Measurements”. Canadian Acoustics 40, no. 3 (September 1, 2012): 64–65. Accessed April 23, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2541.