| article html file updated | 29 August 2025 20:27 CEST | Update | https://www.mdpi.com/2218-1989/2/3/632 |
| article html file updated | 15 July 2022 21:57 CEST | Update | N/A |
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| article xml file uploaded | 7 January 2014 12:25 CET | Update | https://www.mdpi.com/2218-1989/2/3/632/xml |
| article html file updated | 30 August 2013 09:14 CEST | Update | N/A |
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| article html file updated | 7 February 2013 15:08 CET | Update | N/A |
| article html file updated | 24 January 2013 02:28 CET | Original file | N/A |
