| article html file updated | 8 February 2020 05:15 CET | Update | https://www.mdpi.com/2072-6643/9/5/469 |
| article html file updated | 24 September 2019 16:42 CEST | Update | - |
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| article xml uploaded. | 8 May 2017 13:01 CEST | Update | https://www.mdpi.com/2072-6643/9/5/469/xml |
| article pdf uploaded. | 8 May 2017 13:01 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/5/469/pdf |
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