| article html file updated | 9 February 2020 00:04 CET | Update | https://www.mdpi.com/2076-3263/7/4/132 |
| article html file updated | 29 September 2019 05:09 CEST | Update | N/A |
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| article pdf uploaded. | 14 December 2017 09:48 CET | Version of Record | https://www.mdpi.com/2076-3263/7/4/132/pdf |