| article html file updated | 7 February 2020 22:08 CET | Update | https://www.mdpi.com/2072-666X/8/2/36 |
| article html file updated | 23 September 2019 01:00 CEST | Update | N/A |
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| article xml uploaded. | 24 January 2017 10:06 CET | Update | https://www.mdpi.com/2072-666X/8/2/36/xml |
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| article pdf uploaded. | 24 January 2017 10:06 CET | Version of Record | https://www.mdpi.com/2072-666X/8/2/36/pdf |