Sistkova, Marie, Petr Bartos, Jan Broucek, Antonin Dolan, and Ivo Celjak. “Noise Levels Measuring During Summer and Winter in pigs’ Farm”. Scientific Journal of Environmental Sciences 3, no. 6 (November 29, 2014): 62-65. Accessed April 24, 2024. https://www.sjournals.com/index.php/sjes/article/view/1247.