| article html file updated | 30 August 2025 20:06 CEST | Update | https://www.mdpi.com/2227-9717/7/5/308 |
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| article xml uploaded. | 29 May 2019 06:23 CEST | Update | https://www.mdpi.com/2227-9717/7/5/308/xml |
| article pdf uploaded. | 29 May 2019 06:23 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/5/308/pdf |
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