| article html file updated | 30 August 2025 09:38 CEST | Update | https://www.mdpi.com/2311-5521/3/4/103 |
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| article html file updated | 6 December 2018 09:57 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2018 09:55 CET | Version of Record | https://www.mdpi.com/2311-5521/3/4/103/pdf |
| article xml uploaded. | 6 December 2018 09:55 CET | Update | https://www.mdpi.com/2311-5521/3/4/103/xml |
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