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- Hydrothermal Ore Deposits of the Bohemian Massif : Guide to Excursion 22 AC Czechoslovakia, German Democratic Republic, [které se budou konat] 8.8.-17.8.1968, 10.8.-16.8.1968, 30.8.-8.9.1968, 31.8.-6.9.1968 / Prepared by Jan H. Bernard, Hans J. Rösler, Ludwig Baumann in co-operation with [kol.] . Praha : Academia, 1967 . 51 s.