| article html file updated | 30 August 2025 20:21 CEST | Update | https://www.mdpi.com/2311-5521/4/2/97 |
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| article html file updated | 26 June 2019 13:39 CEST | Original file | - |
| article pdf uploaded. | 26 June 2019 13:37 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/97/pdf |
| article xml uploaded. | 26 June 2019 13:37 CEST | Update | https://www.mdpi.com/2311-5521/4/2/97/xml |
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| article pdf uploaded. | 28 May 2019 09:58 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/97/pdf-vor |
| article xml file uploaded | 28 May 2019 09:58 CEST | Original file | - |
