| article html file updated | 16 August 2026 16:59 CEST | Update | https://www.mdpi.com/2218-6581/8/4/93 |
| article html file updated | 14 February 2020 04:44 CET | Update | N/A |
| article html file updated | 31 December 2019 00:47 CET | Update | N/A |
| article html file updated | 28 October 2019 16:15 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2019 16:14 CET | Version of Record | https://www.mdpi.com/2218-6581/8/4/93/pdf |
| article xml uploaded. | 28 October 2019 16:14 CET | Update | https://www.mdpi.com/2218-6581/8/4/93/xml |
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