| article html file updated | 5 February 2020 19:21 CET | Update | https://www.mdpi.com/2072-6694/4/1/113 |
| article html file updated | 19 September 2019 08:16 CEST | Update | N/A |
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| article html file updated | 1 February 2013 09:27 CET | Update | N/A |
| article xml file uploaded | 1 February 2013 09:27 CET | Original file | https://www.mdpi.com/2072-6694/4/1/113/xml |
| article html file updated | 29 January 2013 01:38 CET | Update | N/A |
| article html file updated | 26 January 2013 08:00 CET | Update | N/A |
| article html file updated | 23 January 2013 09:26 CET | Original file | N/A |