| article html file updated | 31 August 2025 07:34 CEST | Update | https://www.mdpi.com/1999-4915/12/1/30 |
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| article supplementary file uploaded. | 27 December 2019 07:34 CET | - | https://www.mdpi.com/1999-4915/12/1/30#supplementary |
| article pdf uploaded. | 27 December 2019 07:34 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/30/pdf |
| article xml uploaded. | 27 December 2019 07:34 CET | Update | https://www.mdpi.com/1999-4915/12/1/30/xml |
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