| article html file updated | 8 February 2020 07:08 CET | Update | https://new.mdpi.com/1422-0067/18/6/1165 |
| article html file updated | 25 September 2019 02:35 CEST | Update | - |
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| article pdf uploaded. | 31 May 2017 14:46 CEST | Version of Record | https://new.mdpi.com/1422-0067/18/6/1165/pdf |
