| article html file updated | 5 February 2020 16:32 CET | Update | https://www.mdpi.com/1660-4601/8/2/341 |
| article html file updated | 9 May 2019 02:18 CEST | Update | - |
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| article xml file uploaded | 14 August 2014 11:42 CEST | Update | https://www.mdpi.com/1660-4601/8/2/341/xml |
| article html file updated | 14 August 2014 11:22 CEST | Update | - |
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| article html file updated | 26 January 2013 00:57 CET | Update | - |
| article html file updated | 22 January 2013 09:53 CET | Original file | - |