| article html file updated | 30 August 2025 12:17 CEST | Update | https://www.mdpi.com/2309-608X/5/1/18 |
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| article pdf uploaded. | 22 February 2019 09:31 CET | Version of Record | https://www.mdpi.com/2309-608X/5/1/18/pdf |
| article xml uploaded. | 22 February 2019 09:31 CET | Update | https://www.mdpi.com/2309-608X/5/1/18/xml |
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