| article html file updated | 31 August 2025 06:12 CEST | Update | https://www.mdpi.com/2220-9964/8/12/568 |
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| article pdf uploaded. | 10 December 2019 12:59 CET | Version of Record | https://www.mdpi.com/2220-9964/8/12/568/pdf |
| article xml uploaded. | 10 December 2019 12:59 CET | Update | https://www.mdpi.com/2220-9964/8/12/568/xml |
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