| article html file updated | 5 February 2020 20:54 CET | Update | https://www.mdpi.com/2227-7102/2/2/105 |
| article html file updated | 19 September 2019 11:20 CEST | Update | N/A |
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| article html file updated | 14 August 2014 11:41 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2227-7102/2/2/105/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | N/A |
| article html file updated | 7 February 2013 13:03 CET | Update | N/A |
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| article html file updated | 6 February 2013 08:24 CET | Update | N/A |
| article html file updated | 29 January 2013 04:50 CET | Update | N/A |
| article html file updated | 26 January 2013 11:27 CET | Update | N/A |
| article html file updated | 23 January 2013 20:34 CET | Original file | N/A |