| article html file updated | 31 August 2025 10:28 CEST | Update | https://www.mdpi.com/2220-9964/9/2/91 |
| article html file updated | 20 July 2022 18:58 CEST | Update | N/A |
| article html file updated | 6 March 2020 17:42 CET | Update | N/A |
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| article pdf uploaded. | 1 February 2020 13:35 CET | Version of Record | https://www.mdpi.com/2220-9964/9/2/91/pdf |
| article xml uploaded. | 1 February 2020 13:35 CET | Update | https://www.mdpi.com/2220-9964/9/2/91/xml |
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