| article html file updated | 14 August 2026 14:00 CEST | Update | https://www.mdpi.com/2227-9059/5/2/17 |
| article html file updated | 8 February 2020 04:08 CET | Update | N/A |
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| article xml uploaded. | 21 April 2017 16:14 CEST | Update | https://www.mdpi.com/2227-9059/5/2/17/xml |
| article pdf uploaded. | 21 April 2017 16:14 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/2/17/pdf |
