| article html file updated | 29 August 2025 20:21 CEST | Update | https://www.mdpi.com/2218-1989/2/1/178 |
| article html file updated | 15 July 2022 21:47 CEST | Update | N/A |
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| article xml file uploaded | 7 January 2014 12:23 CET | Update | https://www.mdpi.com/2218-1989/2/1/178/xml |
| article html file updated | 30 August 2013 09:12 CEST | Update | N/A |
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| article html file updated | 26 January 2013 08:15 CET | Update | N/A |
| article html file updated | 23 January 2013 10:18 CET | Original file | N/A |
