| article html file updated | 6 February 2020 00:11 CET | Update | https://www.mdpi.com/1422-0067/14/2/2258 |
| article html file updated | 8 May 2019 09:24 CEST | Update | N/A |
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| article pdf uploaded. | 24 January 2013 11:44 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/2258/pdf |