| article html file updated | 30 August 2025 08:02 CEST | Update | https://www.mdpi.com/1424-8247/11/4/113 |
| article html file updated | 17 July 2022 05:40 CEST | Update | N/A |
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| article html file updated | 26 December 2018 23:41 CET | Update | N/A |
| article pdf uploaded. | 24 October 2018 07:11 CEST | Updated version of record | https://www.mdpi.com/1424-8247/11/4/113/pdf |
| article xml uploaded. | 24 October 2018 07:11 CEST | Update | https://www.mdpi.com/1424-8247/11/4/113/xml |
| article xml file uploaded | 24 October 2018 07:11 CEST | Update | N/A |
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| article pdf uploaded. | 22 October 2018 11:15 CEST | Version of Record | https://www.mdpi.com/1424-8247/11/4/113/pdf-vor |
| article xml uploaded. | 22 October 2018 11:15 CEST | Update | N/A |
| article xml file uploaded | 22 October 2018 11:15 CEST | Original file | N/A |
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