Likharev [= Licharew], B. K. (1933). Obshchaya geologicheskaya karta Yevropeyskoy chasti SSSR. List 69. Shenkursk-Vel'sk [General geological map of the European part of the USSR. Sheet 69. Shenkursk-Vel'sk]. Trudy Vsesoyuznogo geologo-razvedochnogo ob"yedineniya NKTP SSSR. 240: xxx-xxx.
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Likharev [= Licharew], B. K.
1933
Obshchaya geologicheskaya karta Yevropeyskoy chasti SSSR. List 69. Shenkursk-Vel'sk [General geological map of the European part of the USSR. Sheet 69. Shenkursk-Vel'sk]
Trudy Vsesoyuznogo geologo-razvedochnogo ob"yedineniya NKTP SSSR