| article html file updated | 29 August 2025 20:27 CEST | Update | https://www.mdpi.com/1999-4893/5/4/421 |
| article html file updated | 15 July 2022 21:58 CEST | Update | N/A |
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| article xml file uploaded | 14 August 2014 11:40 CEST | Update | https://www.mdpi.com/1999-4893/5/4/421/xml |
| article html file updated | 14 August 2014 11:20 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:20 CEST | Original file | N/A |
| article html file updated | 7 February 2013 15:25 CET | Update | N/A |
| article html file updated | 24 January 2013 03:34 CET | Original file | N/A |
