Chl.S. Melnikov.A rare meteorological phenomenon on the river.Pechore, Ustsysolsky district.

Chl.S. Melnikov.A rare meteorological phenomenon on the river.Pechore, Ustsysolsky district.- -.-Agreement No. 24 of 02/12/2016 category 7 of the manuscript of the works of members of the Russian Geographical Society and individual documents in the Vologda province, case 3..Electronic copy source: PB