| article html file updated | 7 February 2020 09:26 CET | Update | https://www.mdpi.com/1420-3049/21/6/700 |
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| article xml uploaded. | 28 May 2016 13:03 CEST | Update | https://www.mdpi.com/1420-3049/21/6/700/xml |
| article pdf uploaded. | 28 May 2016 13:03 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/700/pdf |