| article html file updated | 5 February 2020 09:10 CET | Update | https://www.mdpi.com/1420-3049/11/6/393 |
| article html file updated | 18 September 2019 13:33 CEST | Update | N/A |
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| article xml uploaded. | 24 July 2017 06:31 CEST | Original file | https://www.mdpi.com/1420-3049/11/6/393/xml |
