Affiliation: | 1. Institute of Physical Chemistry, Bulgarian Academy of Sciences, G. Bonchev Street, Block 11, 1113 Sofia, Bulgaria;2. Leibniz-Institut für Oberflächenmodifizierung e.V., Permoserstraße 15, D-04318 Leipzig, Germany;3. Department of Geology, University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1 |