M. D. Zalessky (Zalěsskij), “On the discovery of the calcareous concretions known as coal balls in one of the coal seams of the carboniferous strata of the Donetz basin”, Bulletin de l'Académie Impériale des Sciences de St.-Pétersbourg. VI série, 1910, Volume 4, Issue 6,Pages <nobr>477

JOURNALS // Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya // Archive

Bulletin de l'Académie Impériale des Sciences de St.-Pétersbourg. VI série, 1910 Volume 4, Issue 6, Pages 477–480 (Mi im7036)

On the discovery of the calcareous concretions known as coal balls in one of the coal seams of the carboniferous strata of the Donetz basin

M. D. Zalessky (Zalěsskij)

Language: English

Fulltext: PDF file (1535 kB)