Zorina, Natalja, Atis Skudra, Gita Revalde, and Zanda Gavare. 2021. “COMPARISON OF AS, HG AND TL HIGH-FREQUENCY ELECTRODELESS LAMPS FOR DETECTION OF ENVIRONMENTAL POLLUTION”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June): 275-80. https://doi.org/10.17770/etr2021vol1.6529.