| article html file updated | 12 August 2026 22:18 CEST | Update | https://www.mdpi.com/2071-1050/6/2/702 |
| article html file updated | 6 February 2020 07:09 CET | Update | N/A |
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| article html file updated | 24 June 2014 12:25 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:25 CEST | Original file | https://www.mdpi.com/2071-1050/6/2/702/xml |
| article pdf uploaded. | 10 February 2014 08:49 CET | Version of Record | https://www.mdpi.com/2071-1050/6/2/702/pdf |
