| article html file updated | 29 August 2025 22:28 CEST | Update | https://www.mdpi.com/1999-4915/7/12/2960 |
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| article pdf uploaded. | 14 December 2015 10:38 CET | Version of Record | https://www.mdpi.com/1999-4915/7/12/2960/pdf |
| article xml uploaded. | 14 December 2015 10:38 CET | Original file | https://www.mdpi.com/1999-4915/7/12/2960/xml |
