| article html file updated | 7 February 2020 20:16 CET | Update | https://www.mdpi.com/2072-666X/8/1/3 |
| article html file updated | 4 May 2019 17:53 CEST | Update | N/A |
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| article pdf uploaded. | 26 December 2016 12:21 CET | Updated version of record | https://www.mdpi.com/2072-666X/8/1/3/pdf |
| article html file updated | 24 December 2016 09:33 CET | Original file | N/A |
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