| article html file updated | 14 August 2026 20:09 CEST | Update | https://www.mdpi.com/1996-1073/10/12/2135 |
| article html file updated | 9 February 2020 00:10 CET | Update | N/A |
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| article xml uploaded. | 15 December 2017 07:33 CET | Update | https://www.mdpi.com/1996-1073/10/12/2135/xml |
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| article pdf uploaded. | 15 December 2017 07:33 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2135/pdf |
