Valuntaitė, Vaida, and Raselė Girgždienė. “Investigation of Ozone Emission and Dispersion from Photocopying Machines”. Journal of Environmental Engineering and Landscape Management 15, no. 2 (March 31, 2007): 61-67. Accessed November 25, 2024. https://jcem.vgtu.lt/index.php/JEELM/article/view/7610.