| article html file updated | 15 August 2026 01:11 CEST | Update | https://www.mdpi.com/2226-4310/5/2/48 |
| article html file updated | 9 February 2020 15:53 CET | Update | N/A |
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| article html file updated | 1 May 2018 03:33 CEST | Original file | N/A |
| article pdf uploaded. | 1 May 2018 03:31 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/48/pdf |
| article xml uploaded. | 1 May 2018 03:31 CEST | Update | https://www.mdpi.com/2226-4310/5/2/48/xml |
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