| article html file updated | 16 June 2015 19:46 CEST | Update | https://www.mdpi.com/2072-6694/3/4/4127 |
| article html file updated | 5 September 2013 12:05 CEST | Update | - |
| article xml file uploaded | 5 September 2013 12:05 CEST | Update | https://www.mdpi.com/2072-6694/3/4/4127/xml |
| article html file updated | 4 September 2013 15:17 CEST | Update | - |
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| article html file updated | 26 January 2013 06:04 CET | Update | - |
| article html file updated | 23 January 2013 01:37 CET | Original file | - |
