Vechnye snega i ikh izobrazhenie na topograficheskikh kartakh.
Ivanʹkov, Pavel Alekseevich,author.
Sokolov, V. V.(Vladimir Viktorovich),author.
At head of title: P.A. Ivanʹkov, V.V. Sokolov.
Includes bibliographical references (pages 58-60).
Bartholomew Firm Library.
Glaciers.
Topographic maps.
Glaciers.
Topographic maps.