Elemente Der Achten Nebengruppe - III Platinmetalle Platin Palladium - Rhodium - Iridium Ruthenium - Osmium (German, Paperback, Softcover Reprint of the Original 1st 1953 ed.)
Georg Bauer, Wilhelm Fresenius, Wilhelm Geibel, Gerhart Jander, Hans Oberlander
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