Rubin aus Mong Hsu, Myanmar (Burma) ein neues Vorkommen von kommerzieller Bedeutung Teil 1
Authors: Adolf Peretti, Karl Schmetzer, Heinz-Jürgen Bernhardt, Fred Mouawad Published in: Trade Journal Download Publication
Authors: Adolf Peretti, Karl Schmetzer, Heinz-Jürgen Bernhardt, Fred Mouawad Published in: Trade Journal Download Publication
Authors: Adolf Peretti, F. Mouawad Published in: JewelSiam Download Publication
Authors: Adolf Peretti, Christopher P. Smith Published in: JewelSiam Download Publication
Authors: Adolf Peretti, M.-L. Dele -Dubois, J. Fournier Published in: Revue De Gemmologie Download Publication
Authors: Adolf Peretti Published in: JewelSiam Download Publication