| article html file updated | 12 August 2026 23:33 CEST | Update | https://www.mdpi.com/2073-4409/3/2/236 |
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| article xml file uploaded | 11 July 2014 10:25 CEST | Original file | https://www.mdpi.com/2073-4409/3/2/236/xml |
| article pdf uploaded. | 8 April 2014 16:24 CEST | Updated version of record | https://www.mdpi.com/2073-4409/3/2/236/pdf |
| article pdf uploaded. | 4 April 2014 15:56 CEST | Version of Record | https://www.mdpi.com/2073-4409/3/2/236/pdf-vor |
