| article html file updated | 31 August 2025 16:51 CEST | Update | https://www.mdpi.com/2304-8158/9/4/462 |
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| article html file updated | 9 April 2020 04:30 CEST | Update | - |
| article pdf uploaded. | 9 April 2020 04:29 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/462/pdf |
| article xml uploaded. | 9 April 2020 04:29 CEST | Update | https://www.mdpi.com/2304-8158/9/4/462/xml |
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