| article html file updated | 7 February 2020 09:05 CET | Update | https://www.mdpi.com/1420-3049/21/5/675 |
| article html file updated | 21 September 2019 17:39 CEST | Update | - |
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| article html file updated | 26 May 2016 14:09 CEST | Update | - |
| article html file updated | 21 May 2016 10:39 CEST | Original file | - |
| article xml uploaded. | 21 May 2016 10:38 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/675/xml |
| article pdf uploaded. | 21 May 2016 10:38 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/675/pdf |
