Note on volcanic bombs in the Schalsteins of Nassau - Kayser, Emanuel, 1845-1927 (London : Geological Society, 1897)
Keywords: pyroklastické horniny; sopečné erupce; pyroclastic rocks; volcanic eruptions; Nassau (Porýní-Falc, Německo); Nassau (Rhineland-Palatinate, Germany); separáty; offprints