| article html file updated | 14 August 2026 23:39 CEST | Update | https://www.mdpi.com/1996-1944/11/4/474 |
| article html file updated | 9 February 2020 10:49 CET | Update | N/A |
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| article xml uploaded. | 22 March 2018 13:19 CET | Update | https://www.mdpi.com/1996-1944/11/4/474/xml |
| article pdf uploaded. | 22 March 2018 13:19 CET | Version of Record | https://www.mdpi.com/1996-1944/11/4/474/pdf |
