| article html file updated | 9 February 2020 06:16 CET | Update | https://www.mdpi.com/2071-1050/10/2/476 |
| article html file updated | 30 September 2019 17:12 CEST | Update | - |
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| article xml uploaded. | 11 February 2018 07:58 CET | Update | https://www.mdpi.com/2071-1050/10/2/476/xml |
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| article pdf uploaded. | 11 February 2018 07:58 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/476/pdf |