On the geology of the copper ore field in the Virtasalmi Area, Eastern Finland.
Series: Bulletin de la Commission géologique de Finlande ;; n:o 240
Publisher: Geologinen tutkimuslaitos
Published: 1969
Place of publication: Otaniemi [Finland]
Language: eng
Number of pages: 82
Subjects: Petrology -- Finland -- Virtasalmi region.; Copper ores -- Finland -- Virtasalmi region.
Notes: Bibliography: p. [81]-82.