| article html file updated | 23 October 2025 06:16 CEST | Update | https://www.mdpi.com/2076-2615/2/4/628 |
| article html file updated | 5 February 2020 22:54 CET | Update | - |
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| article xml file uploaded | 29 June 2015 04:16 CEST | Update | https://www.mdpi.com/2076-2615/2/4/628/xml |
| article html file updated | 17 June 2015 03:53 CEST | Update | - |
| article xml file uploaded | 16 December 2014 04:30 CET | Update | - |
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| article html file updated | 14 August 2014 11:40 CEST | Update | - |
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| article html file updated | 14 August 2014 11:20 CEST | Update | - |
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| article html file updated | 7 February 2013 16:38 CET | Update | - |
| article html file updated | 24 January 2013 08:05 CET | Original file | - |
