| article html file updated | 14 August 2026 21:23 CEST | Update | https://www.mdpi.com/1911-8074/11/1/7 |
| article html file updated | 9 February 2020 04:00 CET | Update | N/A |
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| article xml uploaded. | 24 January 2018 03:37 CET | Update | https://www.mdpi.com/1911-8074/11/1/7/xml |
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| article pdf uploaded. | 23 January 2018 17:02 CET | Version of Record | https://www.mdpi.com/1911-8074/11/1/7/pdf |
