| article html file updated | 24 December 2025 15:34 CET | Update | https://www.mdpi.com/2311-5521/4/3/150 |
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| article pdf uploaded. | 8 August 2019 10:20 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/3/150/pdf |
| article xml uploaded. | 8 August 2019 10:20 CEST | Update | https://www.mdpi.com/2311-5521/4/3/150/xml |
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