| article html file updated | 15 August 2026 02:17 CEST | Update | https://www.mdpi.com/2071-1050/10/6/1731 |
| article html file updated | 9 February 2020 19:02 CET | Update | N/A |
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| article html file updated | 25 May 2018 11:42 CEST | Original file | N/A |
| article pdf uploaded. | 25 May 2018 11:41 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/6/1731/pdf |
| article xml uploaded. | 25 May 2018 11:41 CEST | Update | https://www.mdpi.com/2071-1050/10/6/1731/xml |
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