| article html file updated | 14 August 2026 15:27 CEST | Update | https://www.mdpi.com/1999-5903/9/3/26 |
| article html file updated | 8 February 2020 09:21 CET | Update | N/A |
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| article xml uploaded. | 28 June 2017 11:55 CEST | Original file | https://www.mdpi.com/1999-5903/9/3/26/xml |
| article pdf uploaded. | 28 June 2017 11:55 CEST | Updated version of record | https://www.mdpi.com/1999-5903/9/3/26/pdf |
| article pdf uploaded. | 27 June 2017 16:17 CEST | Version of Record | https://www.mdpi.com/1999-5903/9/3/26/pdf-vor |
