| article html file updated | 9 February 2020 02:51 CET | Update | https://www.mdpi.com/2076-3921/7/1/10 |
| article html file updated | 29 September 2019 20:53 CEST | Update | - |
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| article xml uploaded. | 12 January 2018 13:31 CET | Update | https://www.mdpi.com/2076-3921/7/1/10/xml |
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| article pdf uploaded. | 12 January 2018 13:31 CET | Version of Record | https://www.mdpi.com/2076-3921/7/1/10/pdf |