@article{Polyakov_2020,
	doi = {10.1080/01431161.2020.1717668},
	url = {https://doi.org/10.1080%2F01431161.2020.1717668},
	year = 2020,
	month = {feb},
	publisher = {Informa {UK} Limited},
	volume = {41},
	number = {11},
	pages = {4365--4371},
	author = {Alexander Polyakov and Yana Virolainen and Anatoliy Poberovskiy and Maria Makarova and Yuriy Timofeyev},
	title = {Atmospheric {HCFC}-22 total columns near St. Petersburg: stabilization with start of a decrease},
	journal = {International Journal of Remote Sensing}
}