| article html file updated | 30 August 2025 12:27 CEST | Update | https://www.mdpi.com/2079-9292/8/3/261 |
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| article pdf uploaded. | 27 February 2019 10:27 CET | Version of Record | https://www.mdpi.com/2079-9292/8/3/261/pdf |
| article xml uploaded. | 27 February 2019 10:27 CET | Update | https://www.mdpi.com/2079-9292/8/3/261/xml |
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