| article html file updated | 31 August 2025 23:44 CEST | Update | https://www.mdpi.com/2309-608X/6/2/88 |
| article html file updated | 21 August 2025 23:55 CEST | Update | - |
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| article pdf uploaded. | 30 June 2020 09:36 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/88/pdf |
| article xml uploaded. | 30 June 2020 09:36 CEST | Update | https://www.mdpi.com/2309-608X/6/2/88/xml |
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| article pdf uploaded. | 16 June 2020 11:24 CEST | Version of Record | https://www.mdpi.com/2309-608X/6/2/88/pdf-vor |
