| article html file updated | 14 August 2026 19:35 CEST | Update | https://www.mdpi.com/1999-4893/10/4/131 |
| article html file updated | 8 February 2020 22:26 CET | Update | N/A |
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| article xml uploaded. | 28 November 2017 09:31 CET | Original file | https://www.mdpi.com/1999-4893/10/4/131/xml |
| article pdf uploaded. | 28 November 2017 09:31 CET | Version of Record | https://www.mdpi.com/1999-4893/10/4/131/pdf |
