https://www.vedomosti.ru/library/news/2006/04/03/rossijskie-uchenye-v-kitae-obnaruzhili-prevyshenie-pdk-v-probah-vody?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=rossijskie-uchenye-v-kitae-obnaruzhili-prevyshenie-pdk-v-probah-vody