| article html file updated | 29 August 2025 22:30 CEST | Update | https://www.mdpi.com/2071-1050/8/1/12 |
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| article pdf uploaded. | 23 December 2015 11:43 CET | Version of Record | https://www.mdpi.com/2071-1050/8/1/12/pdf |
| article xml uploaded. | 23 December 2015 11:43 CET | Original file | https://www.mdpi.com/2071-1050/8/1/12/xml |
