| article html file updated | 5 February 2020 21:18 CET | Update | https://www.mdpi.com/2072-6694/4/3/763 |
| article html file updated | 8 May 2019 16:14 CEST | Update | - |
| article html file updated | 25 March 2019 12:59 CET | Update | - |
| article html file updated | 17 June 2015 01:14 CEST | Update | - |
| article html file updated | 7 February 2013 13:46 CET | Update | - |
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| article html file updated | 1 February 2013 09:37 CET | Update | - |
| article xml file uploaded | 1 February 2013 09:37 CET | Original file | https://www.mdpi.com/2072-6694/4/3/763/xml |
| article html file updated | 29 January 2013 05:30 CET | Update | - |
| article html file updated | 26 January 2013 15:08 CET | Update | - |
| article html file updated | 23 January 2013 22:35 CET | Original file | - |
