| article html file updated | 7 February 2020 18:16 CET | Update | https://www.mdpi.com/1420-3049/21/11/1571 |
| article html file updated | 22 September 2019 06:06 CEST | Update | N/A |
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| article xml uploaded. | 18 November 2016 11:58 CET | Update | https://www.mdpi.com/1420-3049/21/11/1571/xml |
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| article pdf uploaded. | 18 November 2016 11:58 CET | Version of Record | https://www.mdpi.com/1420-3049/21/11/1571/pdf |
