| article html file updated | 29 August 2025 22:30 CEST | Update | https://www.mdpi.com/2071-1050/7/12/15850 |
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| article pdf uploaded. | 21 December 2015 13:33 CET | Version of Record | https://www.mdpi.com/2071-1050/7/12/15850/pdf |
| article xml uploaded. | 21 December 2015 13:33 CET | Original file | https://www.mdpi.com/2071-1050/7/12/15850/xml |
