| article html file updated | 5 February 2020 23:40 CET | Update | https://www.mdpi.com/1424-8220/13/1/292 |
| article html file updated | 8 May 2019 10:34 CEST | Update | - |
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| article html file updated | 30 October 2013 09:10 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:09 CET | Update | https://www.mdpi.com/1424-8220/13/1/292/xml |
| article html file updated | 23 April 2013 14:37 CEST | Update | - |
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| article html file updated | 26 March 2013 10:49 CET | Update | - |
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| article html file updated | 5 March 2013 16:35 CET | Update | - |
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| article html file updated | 22 February 2013 08:08 CET | Original file | - |
| article xml file uploaded | 22 February 2013 08:08 CET | Original file | - |