Title: Sborník referátů k Celostátní konferenci o technologii dobývání kamenouhelných slojí, pořádané v zotavovně ROH'G. Kliment̕ na Horečkách u Frenštátu p/Radhoštěm ve dnech 3., 4. a 5. 5. 1962
Subjects: Coal mines and mining, Congresses