| article html file updated | 9 February 2020 09:42 CET | Update | https://www.mdpi.com/2078-2489/9/3/64 |
| article html file updated | 1 October 2019 14:18 CEST | Update | - |
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| article xml uploaded. | 13 March 2018 17:27 CET | Original file | https://www.mdpi.com/2078-2489/9/3/64/xml |
| article pdf uploaded. | 13 March 2018 17:27 CET | Version of Record | https://www.mdpi.com/2078-2489/9/3/64/pdf |
