| article html file updated | 14 August 2026 14:48 CEST | Update | https://www.mdpi.com/2071-1050/9/6/900 |
| article html file updated | 8 February 2020 06:59 CET | Update | N/A |
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| article xml uploaded. | 29 May 2017 13:23 CEST | Update | https://www.mdpi.com/2071-1050/9/6/900/xml |
| article pdf uploaded. | 29 May 2017 13:23 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/900/pdf |
