Antarktida /
Soviet Union.Ministerstvo morskogo flota.
Moskva : Ministerstvo morskogo flota,
1972-
Relief shown by contours and spot heights on some sheets. Depths shown by soundings on some sheets.
Sheets numbered by IMG.
Index map and reliability diagrams in margins.
A few sheets only.
T-17,18,19,20: Kholmy Enterprayz -- U-17,18,19,20: Kholmy Liberti -- U-21,22,23,24: Sobral'