| article html file updated | 30 August 2025 09:53 CEST | Update | https://www.mdpi.com/2073-445X/7/4/157 |
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| article pdf uploaded. | 13 December 2018 03:32 CET | Version of Record | https://www.mdpi.com/2073-445X/7/4/157/pdf |
| article xml uploaded. | 13 December 2018 03:32 CET | Update | https://www.mdpi.com/2073-445X/7/4/157/xml |
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