| article html file updated | 30 August 2025 13:55 CEST | Update | https://www.mdpi.com/2076-3263/9/4/168 |
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| article html file updated | 12 April 2019 06:18 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2019 06:16 CEST | Version of Record | https://www.mdpi.com/2076-3263/9/4/168/pdf |
| article xml uploaded. | 12 April 2019 06:16 CEST | Update | https://www.mdpi.com/2076-3263/9/4/168/xml |
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