Th Thorium: Natural Occurrence. Minerals (Excluding Silicates) Gmelin Handbook of Inorganic and Organometallic Chemistry - 8th edition, nr. T-h / A-E / A / 1 / 1a Autor Reiner Ditz et al. 3 oct 2013 Paperback Preț: 438.93 lei 6-8 săpt.