| article html file updated | 8 February 2020 07:07 CET | Update | https://www.mdpi.com/2309-608X/3/2/27 |
| article html file updated | 25 September 2019 02:29 CEST | Update | - |
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| article html file updated | 11 December 2018 08:55 CET | Update | - |
| article html file updated | 31 May 2017 13:58 CEST | Original file | - |
| article xml uploaded. | 31 May 2017 13:57 CEST | Original file | https://www.mdpi.com/2309-608X/3/2/27/xml |
| article pdf uploaded. | 31 May 2017 13:57 CEST | Version of Record | https://www.mdpi.com/2309-608X/3/2/27/pdf |
