| article html file updated | 28 September 2025 18:54 CEST | Update | https://www.mdpi.com/1424-8247/3/4/916 |
| article html file updated | 29 August 2025 20:11 CEST | Update | N/A |
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| article html file updated | 16 June 2015 08:53 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/1424-8247/3/4/916/xml |
| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article html file updated | 5 June 2014 08:51 CEST | Update | N/A |
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| article html file updated | 6 February 2013 16:57 CET | Update | N/A |
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| article html file updated | 28 January 2013 18:41 CET | Update | N/A |
| article html file updated | 25 January 2013 21:32 CET | Update | N/A |
| article html file updated | 21 January 2013 21:57 CET | Update | N/A |
| article html file updated | 18 January 2013 03:54 CET | Original file | N/A |
