| article html file updated | 31 August 2025 03:08 CEST | Update | https://www.mdpi.com/2304-8158/8/10/516 |
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| article pdf uploaded. | 18 October 2019 12:59 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/10/516/pdf |
| article xml uploaded. | 18 October 2019 12:59 CEST | Update | https://www.mdpi.com/2304-8158/8/10/516/xml |
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