| article html file updated | 30 August 2025 00:23 CEST | Update | https://www.mdpi.com/2073-445X/6/1/13 |
| article html file updated | 16 July 2022 04:49 CEST | Update | - |
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| article xml uploaded. | 10 February 2017 13:18 CET | Update | https://www.mdpi.com/2073-445X/6/1/13/xml |
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| article pdf uploaded. | 10 February 2017 13:18 CET | Version of Record | https://www.mdpi.com/2073-445X/6/1/13/pdf |
