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Friedrichbeckeite, K(0.5Na0.5)2(Mg0.8Mn0.1Fe0.1)2(Be0.6Mg0.4)3[Si12O30] : a new milarite-type mineral from the Bellerberg volcano, Eifel area, Germany | Lengauer, Christian L. | 2009 | |
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Parkhotel am Schloss : das Motorsport-, Tagungs- und Urlaubshotel im Nettetal | Gerz, Manfred | 2009 | |
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Im Bann der Feuerberge : Vulkanpfad | Hartusch, Harald | 2009 | |
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Microminerals of the Bellerberg Volcanics, Eifel Region, Rheinland-Palatinate, Germany | Schüller, Willi / 1955- | 2009 | |
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Flörkeite, K3Ca2Na[Al8Si8O32]12H2O : a new phillipsite-type zeolite from the Bellerberg, East Eifel volcanic area, Germany | Lengauer, Christian L.; Kolitsch, Uwe; Tillmanns, Ekkehart | 2009 |