| article html file updated | 29 August 2025 23:37 CEST | Update | https://www.mdpi.com/2218-1997/2/3/22 |
| article html file updated | 16 July 2022 03:20 CEST | Update | N/A |
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| article pdf uploaded. | 14 September 2016 06:32 CEST | Updated version of record | https://www.mdpi.com/2218-1997/2/3/22/pdf |
| article html file updated | 13 September 2016 08:37 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2016 08:35 CEST | Update | N/A |
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| article pdf uploaded. | 13 September 2016 08:35 CEST | Version of Record | https://www.mdpi.com/2218-1997/2/3/22/pdf-vor |
