| article html file updated | 15 August 2026 23:14 CEST | Update | https://www.mdpi.com/2309-608X/5/2/36 |
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| article pdf uploaded. | 4 May 2019 13:08 CEST | Version of Record | https://www.mdpi.com/2309-608X/5/2/36/pdf |
| article xml uploaded. | 4 May 2019 13:08 CEST | Update | https://www.mdpi.com/2309-608X/5/2/36/xml |
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