| article html file updated | 7 February 2020 09:34 CET | Update | https://www.mdpi.com/2079-9292/5/2/25 |
| article html file updated | 5 May 2019 14:06 CEST | Update | - |
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| article html file updated | 1 July 2016 10:44 CEST | Update | - |
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| article xml uploaded. | 1 June 2016 09:39 CEST | Update | https://www.mdpi.com/2079-9292/5/2/25/xml |
| article pdf uploaded. | 1 June 2016 09:39 CEST | Version of Record | https://www.mdpi.com/2079-9292/5/2/25/pdf |
