| article html file updated | 31 August 2025 06:17 CEST | Update | https://www.mdpi.com/2409-9279/2/4/91 |
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| article pdf uploaded. | 18 December 2019 07:41 CET | Updated version of record | https://www.mdpi.com/2409-9279/2/4/91/pdf |
| article xml uploaded. | 18 December 2019 07:41 CET | Update | https://www.mdpi.com/2409-9279/2/4/91/xml |
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| article supplementary file uploaded. | 11 December 2019 12:45 CET | - | https://www.mdpi.com/2409-9279/2/4/91#supplementary |
| article pdf uploaded. | 11 December 2019 12:44 CET | Version of Record | https://www.mdpi.com/2409-9279/2/4/91/pdf-vor |
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