| article html file updated | 29 August 2025 22:47 CEST | Update | https://www.mdpi.com/2076-3921/5/1/8 |
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| article html file updated | 28 March 2016 11:20 CEST | Original file | N/A |
| article pdf uploaded. | 2 March 2016 11:13 CET | Version of Record | https://www.mdpi.com/2076-3921/5/1/8/pdf |
| article xml uploaded. | 2 March 2016 11:13 CET | Original file | https://www.mdpi.com/2076-3921/5/1/8/xml |
