@book{ Solr-116261, title = {Th : thorium. Supplement vol. A5. Analysis, biology : system number 44}, series = {Gmelin handbook of inorganic chemistry ;}, author = {Keim, Rudolf}, editor = {Feinauer, Dieter.}, editor = {Keim, Rudolf}, address = {Berlin}, publisher = {Springer}, year = {1990}, note = {englisch}, }