| article html file updated | 6 February 2020 00:21 CET | Update | https://www.mdpi.com/1422-0067/14/2/3078 |
| article html file updated | 8 May 2019 08:57 CEST | Update | N/A |
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| article pdf uploaded. | 1 February 2013 09:46 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/3078/pdf |