| article html file updated | 30 August 2025 03:39 CEST | Update | https://www.mdpi.com/2226-471X/3/2/13 |
| article html file updated | 16 July 2022 11:00 CEST | Update | N/A |
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| article html file updated | 26 April 2018 09:35 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2018 09:34 CEST | Updated version of record | https://www.mdpi.com/2226-471X/3/2/13/pdf |
| article xml uploaded. | 26 April 2018 09:34 CEST | Update | https://www.mdpi.com/2226-471X/3/2/13/xml |
| article xml file uploaded | 26 April 2018 09:34 CEST | Update | N/A |
| article pdf uploaded. | 24 April 2018 17:23 CEST | Updated version of record | N/A |
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