| article html file updated | 5 February 2020 13:58 CET | Update | https://www.mdpi.com/1424-8247/3/4/795 |
| article html file updated | 9 May 2019 07:32 CEST | Update | - |
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| article html file updated | 16 June 2015 08:49 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/1424-8247/3/4/795/xml |
| article html file updated | 5 June 2014 08:48 CEST | Update | - |
| article xml file uploaded | 5 June 2014 08:48 CEST | Original file | - |
| article html file updated | 6 February 2013 16:56 CET | Update | - |
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| article html file updated | 28 January 2013 18:39 CET | Update | - |
| article html file updated | 25 January 2013 21:30 CET | Update | - |
| article html file updated | 21 January 2013 21:51 CET | Update | - |
| article html file updated | 18 January 2013 03:44 CET | Original file | - |
