| article html file updated | 15 August 2026 02:58 CEST | Update | https://www.mdpi.com/2227-9091/6/2/62 |
| article html file updated | 9 February 2020 20:59 CET | Update | N/A |
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| article pdf uploaded. | 11 June 2018 09:37 CEST | Version of Record | https://www.mdpi.com/2227-9091/6/2/62/pdf |
| article xml uploaded. | 11 June 2018 09:37 CEST | Update | https://www.mdpi.com/2227-9091/6/2/62/xml |
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