| article html file updated | 14 August 2026 13:58 CEST | Update | https://www.mdpi.com/1999-4915/9/4/84 |
| article html file updated | 8 February 2020 04:00 CET | Update | N/A |
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| article xml uploaded. | 20 April 2017 14:18 CEST | Original file | https://www.mdpi.com/1999-4915/9/4/84/xml |
| article pdf uploaded. | 20 April 2017 14:18 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/4/84/pdf |
