| article html file updated | 30 August 2025 07:21 CEST | Update | https://www.mdpi.com/2075-4434/6/4/103 |
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| article html file updated | 28 September 2018 13:23 CEST | Original file | - |
| article pdf uploaded. | 28 September 2018 13:03 CEST | Version of Record | https://www.mdpi.com/2075-4434/6/4/103/pdf |
| article xml uploaded. | 28 September 2018 13:03 CEST | Update | https://www.mdpi.com/2075-4434/6/4/103/xml |
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