Media type: E-Article Title: Colloidal Silicic Acid in Terra Rossa Contributor: ELIASSAF, JEHUDAH imprint: Springer Science and Business Media LLC, 1962 Published in: Nature Language: English DOI: 10.1038/194409a0 ISSN: 1476-4687; 0028-0836 Keywords: Multidisciplinary Origination: Footnote: