| article html file updated | 30 August 2025 00:47 CEST | Update | https://www.mdpi.com/2218-1997/3/3/58 |
| article html file updated | 16 July 2022 05:30 CEST | Update | N/A |
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| article html file updated | 26 July 2017 02:34 CEST | Original file | N/A |
| article xml uploaded. | 26 July 2017 02:33 CEST | Original file | https://www.mdpi.com/2218-1997/3/3/58/xml |
| article pdf uploaded. | 26 July 2017 02:33 CEST | Updated version of record | https://www.mdpi.com/2218-1997/3/3/58/pdf |
| article pdf uploaded. | 22 July 2017 10:47 CEST | Version of Record | https://www.mdpi.com/2218-1997/3/3/58/pdf-vor |
