| article html file updated | 30 August 2025 14:48 CEST | Update | https://www.mdpi.com/2306-5729/4/2/64 |
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| article supplementary file uploaded. | 8 May 2019 10:42 CEST | - | https://www.mdpi.com/2306-5729/4/2/64#supplementary |
| article pdf uploaded. | 8 May 2019 10:41 CEST | Version of Record | https://www.mdpi.com/2306-5729/4/2/64/pdf |
| article xml uploaded. | 8 May 2019 10:41 CEST | Update | https://www.mdpi.com/2306-5729/4/2/64/xml |
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