| article html file updated | 30 August 2025 15:02 CEST | Update | https://www.mdpi.com/2079-9276/8/2/94 |
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| article pdf uploaded. | 14 May 2019 11:26 CEST | Version of Record | https://www.mdpi.com/2079-9276/8/2/94/pdf |
| article xml uploaded. | 14 May 2019 11:26 CEST | Update | https://www.mdpi.com/2079-9276/8/2/94/xml |
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