| article html file updated | 1 September 2025 09:41 CEST | Update | https://www.mdpi.com/2309-608X/6/4/195 |
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| article pdf uploaded. | 29 September 2020 10:25 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/4/195/pdf |
| article xml uploaded. | 29 September 2020 10:25 CEST | Update | https://www.mdpi.com/2309-608X/6/4/195/xml |
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| article html file updated | 29 September 2020 07:43 CEST | Original file | - |
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