| article html file updated | 30 August 2025 12:39 CEST | Update | https://www.mdpi.com/2227-9717/7/3/134 |
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| article pdf uploaded. | 5 March 2019 12:14 CET | Version of Record | https://www.mdpi.com/2227-9717/7/3/134/pdf |
| article xml uploaded. | 5 March 2019 12:14 CET | Update | https://www.mdpi.com/2227-9717/7/3/134/xml |
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