Application of biomonitoring technology in environmental engineering based on model groups of amphibiontic organisms (insecta: odonata)Sergey Kozminov, Khasan Ketenchiev, Anzor Paritov, Elena Krapivina and Bela SunshevaE3S Web Conf., 262 (2021) 04007DOI: https://doi.org/10.1051/e3sconf/202126204007