| article html file updated | 15 August 2026 01:18 CEST | Update | https://www.mdpi.com/1999-5903/10/5/40 |
| article html file updated | 9 February 2020 16:14 CET | Update | N/A |
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| article html file updated | 3 May 2018 13:51 CEST | Original file | N/A |
| article pdf uploaded. | 3 May 2018 13:49 CEST | Version of Record | https://www.mdpi.com/1999-5903/10/5/40/pdf |
| article xml uploaded. | 3 May 2018 13:49 CEST | Update | https://www.mdpi.com/1999-5903/10/5/40/xml |
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