| article html file updated | 15 August 2026 17:46 CEST | Update | https://www.mdpi.com/2077-1312/7/2/54 |
| article html file updated | 11 February 2020 18:18 CET | Update | N/A |
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| article html file updated | 25 February 2019 05:01 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2019 04:58 CET | Version of Record | https://www.mdpi.com/2077-1312/7/2/54/pdf |
| article xml uploaded. | 25 February 2019 04:58 CET | Update | https://www.mdpi.com/2077-1312/7/2/54/xml |
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