| article html file updated | 13 August 2026 03:58 CEST | Update | https://www.mdpi.com/2072-6651/6/9/2708 |
| article html file updated | 6 February 2020 12:09 CET | Update | N/A |
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| article xml file uploaded | 30 September 2014 10:19 CEST | Original file | https://www.mdpi.com/2072-6651/6/9/2708/xml |
| article pdf uploaded. | 11 September 2014 15:30 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/9/2708/pdf |
