| article html file updated | 15 August 2026 02:07 CEST | Update | https://www.mdpi.com/2073-4344/8/5/221 |
| article html file updated | 9 February 2020 18:31 CET | Update | N/A |
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| article html file updated | 22 May 2018 08:09 CEST | Original file | N/A |
| article pdf uploaded. | 22 May 2018 08:07 CEST | Version of Record | https://www.mdpi.com/2073-4344/8/5/221/pdf |
| article xml uploaded. | 22 May 2018 08:07 CEST | Update | https://www.mdpi.com/2073-4344/8/5/221/xml |
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