| article html file updated | 30 August 2025 01:09 CEST | Update | https://www.mdpi.com/2079-9284/4/3/33 |
| article html file updated | 16 July 2022 06:15 CEST | Update | N/A |
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| article xml uploaded. | 12 September 2017 07:53 CEST | Update | https://www.mdpi.com/2079-9284/4/3/33/xml |
| article pdf uploaded. | 12 September 2017 07:53 CEST | Updated version of record | https://www.mdpi.com/2079-9284/4/3/33/pdf |
| article html file updated | 9 September 2017 08:58 CEST | Original file | N/A |
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| article pdf uploaded. | 9 September 2017 08:56 CEST | Version of Record | https://www.mdpi.com/2079-9284/4/3/33/pdf-vor |
